Home / 1,056,636.48-1,585,349.28-425,729.28

Finding the Fourth Proportional to 1,056,636.48, 1,585,349.28 and 425,729.28

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Solution

The fourth proportional to 1,056,636.48, 1,585,349.28 and 425,729.28 is: 638,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,636.48 : 1,585,349.28 = 425,729.28 : x
  2. Step 2: Convert to fraction form
    1,056,636.48/1,585,349.28 = 425,729.28/x
  3. Step 3: Cross multiply
    1,056,636.48x = 1,585,349.28 × 425,729.28
  4. Step 4: Simplify right side
    1,056,636.48x = 674,929,607,522.92
  5. Step 5: Solve for x
    x = 674,929,607,522.92/1,056,636.48
  6. Step 6: Final answer
    x = 638,752.89

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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.