Home / 1,078,213.48-1,617,298.14-479,012.20

Finding the Fourth Proportional to 1,078,213.48, 1,617,298.14 and 479,012.20

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Solution

The fourth proportional to 1,078,213.48, 1,617,298.14 and 479,012.20 is: 718,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,213.48 : 1,617,298.14 = 479,012.20 : x
  2. Step 2: Convert to fraction form
    1,078,213.48/1,617,298.14 = 479,012.20/x
  3. Step 3: Cross multiply
    1,078,213.48x = 1,617,298.14 × 479,012.20
  4. Step 4: Simplify right side
    1,078,213.48x = 774,705,540,097.31
  5. Step 5: Solve for x
    x = 774,705,540,097.31/1,078,213.48
  6. Step 6: Final answer
    x = 718,508.49

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Double scale
Find fourth proportional to 1,078,214.48, 1,617,299.64 and 479,013.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.