Home / 1,038,838.30-1,558,257.45-996,847.90

Finding the Fourth Proportional to 1,038,838.30, 1,558,257.45 and 996,847.90

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Solution

The fourth proportional to 1,038,838.30, 1,558,257.45 and 996,847.90 is: 1,495,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,838.30 : 1,558,257.45 = 996,847.90 : x
  2. Step 2: Convert to fraction form
    1,038,838.30/1,558,257.45 = 996,847.90/x
  3. Step 3: Cross multiply
    1,038,838.30x = 1,558,257.45 × 996,847.90
  4. Step 4: Simplify right side
    1,038,838.30x = 1,553,345,666,691.86
  5. Step 5: Solve for x
    x = 1,553,345,666,691.86/1,038,838.30
  6. Step 6: Final answer
    x = 1,495,271.85

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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.