Home / 918,132.90-1,286,714.70-918,132.90

Finding the Fourth Proportional to 918,132.90, 1,286,714.70 and 918,132.90

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Solution

The fourth proportional to 918,132.90, 1,286,714.70 and 918,132.90 is: 1,286,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,132.90 : 1,286,714.70 = 918,132.90 : x
  2. Step 2: Convert to fraction form
    918,132.90/1,286,714.70 = 918,132.90/x
  3. Step 3: Cross multiply
    918,132.90x = 1,286,714.70 × 918,132.90
  4. Step 4: Simplify right side
    918,132.90x = 1,181,375,098,983.63
  5. Step 5: Solve for x
    x = 1,181,375,098,983.63/918,132.90
  6. Step 6: Final answer
    x = 1,286,714.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.