Home / 1,518,115.17-2,276,047.82-918,934.58

Finding the Fourth Proportional to 1,518,115.17, 2,276,047.82 and 918,934.58

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Solution

The fourth proportional to 1,518,115.17, 2,276,047.82 and 918,934.58 is: 1,377,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,115.17 : 2,276,047.82 = 918,934.58 : x
  2. Step 2: Convert to fraction form
    1,518,115.17/2,276,047.82 = 918,934.58/x
  3. Step 3: Cross multiply
    1,518,115.17x = 2,276,047.82 × 918,934.58
  4. Step 4: Simplify right side
    1,518,115.17x = 2,091,539,031,556.70
  5. Step 5: Solve for x
    x = 2,091,539,031,556.70/1,518,115.17
  6. Step 6: Final answer
    x = 1,377,720.92

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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.