Home / 992,998.40-1,487,966.70-739,087.70

Finding the Fourth Proportional to 992,998.40, 1,487,966.70 and 739,087.70

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Solution

The fourth proportional to 992,998.40, 1,487,966.70 and 739,087.70 is: 1,107,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,998.40 : 1,487,966.70 = 739,087.70 : x
  2. Step 2: Convert to fraction form
    992,998.40/1,487,966.70 = 739,087.70/x
  3. Step 3: Cross multiply
    992,998.40x = 1,487,966.70 × 739,087.70
  4. Step 4: Simplify right side
    992,998.40x = 1,099,737,885,979.59
  5. Step 5: Solve for x
    x = 1,099,737,885,979.59/992,998.40
  6. Step 6: Final answer
    x = 1,107,492.10

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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.