Home / 1,007,812.32-1,508,167.92-628,911.36

Finding the Fourth Proportional to 1,007,812.32, 1,508,167.92 and 628,911.36

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Solution

The fourth proportional to 1,007,812.32, 1,508,167.92 and 628,911.36 is: 941,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,812.32 : 1,508,167.92 = 628,911.36 : x
  2. Step 2: Convert to fraction form
    1,007,812.32/1,508,167.92 = 628,911.36/x
  3. Step 3: Cross multiply
    1,007,812.32x = 1,508,167.92 × 628,911.36
  4. Step 4: Simplify right side
    1,007,812.32x = 948,503,937,675.57
  5. Step 5: Solve for x
    x = 948,503,937,675.57/1,007,812.32
  6. Step 6: Final answer
    x = 941,151.36

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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.