Home / 1,471,320.70-2,206,981.05-761,566.30

Finding the Fourth Proportional to 1,471,320.70, 2,206,981.05 and 761,566.30

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Solution

The fourth proportional to 1,471,320.70, 2,206,981.05 and 761,566.30 is: 1,142,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,320.70 : 2,206,981.05 = 761,566.30 : x
  2. Step 2: Convert to fraction form
    1,471,320.70/2,206,981.05 = 761,566.30/x
  3. Step 3: Cross multiply
    1,471,320.70x = 2,206,981.05 × 761,566.30
  4. Step 4: Simplify right side
    1,471,320.70x = 1,680,762,392,418.62
  5. Step 5: Solve for x
    x = 1,680,762,392,418.62/1,471,320.70
  6. Step 6: Final answer
    x = 1,142,349.45

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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.