Home / 1,078,854.20-1,618,670.10-448,220.60

Finding the Fourth Proportional to 1,078,854.20, 1,618,670.10 and 448,220.60

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Solution

The fourth proportional to 1,078,854.20, 1,618,670.10 and 448,220.60 is: 672,492.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,854.20 : 1,618,670.10 = 448,220.60 : x
  2. Step 2: Convert to fraction form
    1,078,854.20/1,618,670.10 = 448,220.60/x
  3. Step 3: Cross multiply
    1,078,854.20x = 1,618,670.10 × 448,220.60
  4. Step 4: Simplify right side
    1,078,854.20x = 725,521,283,424.06
  5. Step 5: Solve for x
    x = 725,521,283,424.06/1,078,854.20
  6. Step 6: Final answer
    x = 672,492.43

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Double scale
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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.