Home / 1,174,645.60-1,762,429.20-426,767.20

Finding the Fourth Proportional to 1,174,645.60, 1,762,429.20 and 426,767.20

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Solution

The fourth proportional to 1,174,645.60, 1,762,429.20 and 426,767.20 is: 640,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,645.60 : 1,762,429.20 = 426,767.20 : x
  2. Step 2: Convert to fraction form
    1,174,645.60/1,762,429.20 = 426,767.20/x
  3. Step 3: Cross multiply
    1,174,645.60x = 1,762,429.20 × 426,767.20
  4. Step 4: Simplify right side
    1,174,645.60x = 752,146,974,882.24
  5. Step 5: Solve for x
    x = 752,146,974,882.24/1,174,645.60
  6. Step 6: Final answer
    x = 640,318.22

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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.