Home / 1,998,507.38-2,997,261.70-784,330.61

Finding the Fourth Proportional to 1,998,507.38, 2,997,261.70 and 784,330.61

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Solution

The fourth proportional to 1,998,507.38, 2,997,261.70 and 784,330.61 is: 1,176,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,507.38 : 2,997,261.70 = 784,330.61 : x
  2. Step 2: Convert to fraction form
    1,998,507.38/2,997,261.70 = 784,330.61/x
  3. Step 3: Cross multiply
    1,998,507.38x = 2,997,261.70 × 784,330.61
  4. Step 4: Simplify right side
    1,998,507.38x = 2,350,844,097,490.64
  5. Step 5: Solve for x
    x = 2,350,844,097,490.64/1,998,507.38
  6. Step 6: Final answer
    x = 1,176,299.93

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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.