Home / 1,226,982.20-1,840,535.70-385,542.20

Finding the Fourth Proportional to 1,226,982.20, 1,840,535.70 and 385,542.20

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Solution

The fourth proportional to 1,226,982.20, 1,840,535.70 and 385,542.20 is: 578,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,982.20 : 1,840,535.70 = 385,542.20 : x
  2. Step 2: Convert to fraction form
    1,226,982.20/1,840,535.70 = 385,542.20/x
  3. Step 3: Cross multiply
    1,226,982.20x = 1,840,535.70 × 385,542.20
  4. Step 4: Simplify right side
    1,226,982.20x = 709,604,182,956.54
  5. Step 5: Solve for x
    x = 709,604,182,956.54/1,226,982.20
  6. Step 6: Final answer
    x = 578,332.91

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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.