Home / 1,545,901.20-2,318,851.80-748,739.70

Finding the Fourth Proportional to 1,545,901.20, 2,318,851.80 and 748,739.70

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Solution

The fourth proportional to 1,545,901.20, 2,318,851.80 and 748,739.70 is: 1,123,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,901.20 : 2,318,851.80 = 748,739.70 : x
  2. Step 2: Convert to fraction form
    1,545,901.20/2,318,851.80 = 748,739.70/x
  3. Step 3: Cross multiply
    1,545,901.20x = 2,318,851.80 × 748,739.70
  4. Step 4: Simplify right side
    1,545,901.20x = 1,736,216,401,076.46
  5. Step 5: Solve for x
    x = 1,736,216,401,076.46/1,545,901.20
  6. Step 6: Final answer
    x = 1,123,109.55

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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.