Home / 1,078,347.34-1,617,728.37-413,447.50

Finding the Fourth Proportional to 1,078,347.34, 1,617,728.37 and 413,447.50

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Solution

The fourth proportional to 1,078,347.34, 1,617,728.37 and 413,447.50 is: 620,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,347.34 : 1,617,728.37 = 413,447.50 : x
  2. Step 2: Convert to fraction form
    1,078,347.34/1,617,728.37 = 413,447.50/x
  3. Step 3: Cross multiply
    1,078,347.34x = 1,617,728.37 × 413,447.50
  4. Step 4: Simplify right side
    1,078,347.34x = 668,845,750,255.58
  5. Step 5: Solve for x
    x = 668,845,750,255.58/1,078,347.34
  6. Step 6: Final answer
    x = 620,250.75

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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.