Home / 938,972.52-1,407,985.14-668,946.36

Finding the Fourth Proportional to 938,972.52, 1,407,985.14 and 668,946.36

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Solution

The fourth proportional to 938,972.52, 1,407,985.14 and 668,946.36 is: 1,003,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,972.52 : 1,407,985.14 = 668,946.36 : x
  2. Step 2: Convert to fraction form
    938,972.52/1,407,985.14 = 668,946.36/x
  3. Step 3: Cross multiply
    938,972.52x = 1,407,985.14 × 668,946.36
  4. Step 4: Simplify right side
    938,972.52x = 941,866,534,337.09
  5. Step 5: Solve for x
    x = 941,866,534,337.09/938,972.52
  6. Step 6: Final answer
    x = 1,003,082.11

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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.