Home / 1,174,275.45-1,620,472.68-690,871.73

Finding the Fourth Proportional to 1,174,275.45, 1,620,472.68 and 690,871.73

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Solution

The fourth proportional to 1,174,275.45, 1,620,472.68 and 690,871.73 is: 953,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,275.45 : 1,620,472.68 = 690,871.73 : x
  2. Step 2: Convert to fraction form
    1,174,275.45/1,620,472.68 = 690,871.73/x
  3. Step 3: Cross multiply
    1,174,275.45x = 1,620,472.68 × 690,871.73
  4. Step 4: Simplify right side
    1,174,275.45x = 1,119,538,755,746.97
  5. Step 5: Solve for x
    x = 1,119,538,755,746.97/1,174,275.45
  6. Step 6: Final answer
    x = 953,386.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.