Home / 1,025,200.40-1,537,800.60-425,962.40

Finding the Fourth Proportional to 1,025,200.40, 1,537,800.60 and 425,962.40

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Solution

The fourth proportional to 1,025,200.40, 1,537,800.60 and 425,962.40 is: 638,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,200.40 : 1,537,800.60 = 425,962.40 : x
  2. Step 2: Convert to fraction form
    1,025,200.40/1,537,800.60 = 425,962.40/x
  3. Step 3: Cross multiply
    1,025,200.40x = 1,537,800.60 × 425,962.40
  4. Step 4: Simplify right side
    1,025,200.40x = 655,045,234,297.44
  5. Step 5: Solve for x
    x = 655,045,234,297.44/1,025,200.40
  6. Step 6: Final answer
    x = 638,943.60

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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.