Home / 1,174,151.18-1,620,301.22-690,747.46

Finding the Fourth Proportional to 1,174,151.18, 1,620,301.22 and 690,747.46

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Solution

The fourth proportional to 1,174,151.18, 1,620,301.22 and 690,747.46 is: 953,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,151.18 : 1,620,301.22 = 690,747.46 : x
  2. Step 2: Convert to fraction form
    1,174,151.18/1,620,301.22 = 690,747.46/x
  3. Step 3: Cross multiply
    1,174,151.18x = 1,620,301.22 × 690,747.46
  4. Step 4: Simplify right side
    1,174,151.18x = 1,119,218,944,048.40
  5. Step 5: Solve for x
    x = 1,119,218,944,048.40/1,174,151.18
  6. Step 6: Final answer
    x = 953,215.36

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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.