Home / 1,178,267.16-1,765,753.32-637,355.90

Finding the Fourth Proportional to 1,178,267.16, 1,765,753.32 and 637,355.90

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Solution

The fourth proportional to 1,178,267.16, 1,765,753.32 and 637,355.90 is: 955,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,267.16 : 1,765,753.32 = 637,355.90 : x
  2. Step 2: Convert to fraction form
    1,178,267.16/1,765,753.32 = 637,355.90/x
  3. Step 3: Cross multiply
    1,178,267.16x = 1,765,753.32 × 637,355.90
  4. Step 4: Simplify right side
    1,178,267.16x = 1,125,413,296,446.59
  5. Step 5: Solve for x
    x = 1,125,413,296,446.59/1,178,267.16
  6. Step 6: Final answer
    x = 955,142.72

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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.