Home / 1,402,331.69-1,935,371.51-813,760.79

Finding the Fourth Proportional to 1,402,331.69, 1,935,371.51 and 813,760.79

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Solution

The fourth proportional to 1,402,331.69, 1,935,371.51 and 813,760.79 is: 1,123,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,331.69 : 1,935,371.51 = 813,760.79 : x
  2. Step 2: Convert to fraction form
    1,402,331.69/1,935,371.51 = 813,760.79/x
  3. Step 3: Cross multiply
    1,402,331.69x = 1,935,371.51 × 813,760.79
  4. Step 4: Simplify right side
    1,402,331.69x = 1,574,929,437,871.37
  5. Step 5: Solve for x
    x = 1,574,929,437,871.37/1,402,331.69
  6. Step 6: Final answer
    x = 1,123,079.12

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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.