Home / 1,038,500.30-1,557,750.45-637,841.90

Finding the Fourth Proportional to 1,038,500.30, 1,557,750.45 and 637,841.90

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Solution

The fourth proportional to 1,038,500.30, 1,557,750.45 and 637,841.90 is: 956,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,500.30 : 1,557,750.45 = 637,841.90 : x
  2. Step 2: Convert to fraction form
    1,038,500.30/1,557,750.45 = 637,841.90/x
  3. Step 3: Cross multiply
    1,038,500.30x = 1,557,750.45 × 637,841.90
  4. Step 4: Simplify right side
    1,038,500.30x = 993,598,506,753.86
  5. Step 5: Solve for x
    x = 993,598,506,753.86/1,038,500.30
  6. Step 6: Final answer
    x = 956,762.85

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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.