Home / 1,415,123.70-2,122,685.55-942,731.70

Finding the Fourth Proportional to 1,415,123.70, 2,122,685.55 and 942,731.70

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Solution

The fourth proportional to 1,415,123.70, 2,122,685.55 and 942,731.70 is: 1,414,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,123.70 : 2,122,685.55 = 942,731.70 : x
  2. Step 2: Convert to fraction form
    1,415,123.70/2,122,685.55 = 942,731.70/x
  3. Step 3: Cross multiply
    1,415,123.70x = 2,122,685.55 × 942,731.70
  4. Step 4: Simplify right side
    1,415,123.70x = 2,001,122,957,116.93
  5. Step 5: Solve for x
    x = 2,001,122,957,116.93/1,415,123.70
  6. Step 6: Final answer
    x = 1,414,097.55

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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.