Home / 997,411.20-1,498,331.14-618,611.87

Finding the Fourth Proportional to 997,411.20, 1,498,331.14 and 618,611.87

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Solution

The fourth proportional to 997,411.20, 1,498,331.14 and 618,611.87 is: 929,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,411.20 : 1,498,331.14 = 618,611.87 : x
  2. Step 2: Convert to fraction form
    997,411.20/1,498,331.14 = 618,611.87/x
  3. Step 3: Cross multiply
    997,411.20x = 1,498,331.14 × 618,611.87
  4. Step 4: Simplify right side
    997,411.20x = 926,885,419,356.45
  5. Step 5: Solve for x
    x = 926,885,419,356.45/997,411.20
  6. Step 6: Final answer
    x = 929,291.17

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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.