Home / 1,777,902.70-2,664,780.45-712,417.90

Finding the Fourth Proportional to 1,777,902.70, 2,664,780.45 and 712,417.90

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Solution

The fourth proportional to 1,777,902.70, 2,664,780.45 and 712,417.90 is: 1,067,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,902.70 : 2,664,780.45 = 712,417.90 : x
  2. Step 2: Convert to fraction form
    1,777,902.70/2,664,780.45 = 712,417.90/x
  3. Step 3: Cross multiply
    1,777,902.70x = 2,664,780.45 × 712,417.90
  4. Step 4: Simplify right side
    1,777,902.70x = 1,898,437,292,150.06
  5. Step 5: Solve for x
    x = 1,898,437,292,150.06/1,777,902.70
  6. Step 6: Final answer
    x = 1,067,795.94

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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.