Home / 1,126,929.08-1,690,349.88-452,808.20

Finding the Fourth Proportional to 1,126,929.08, 1,690,349.88 and 452,808.20

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Solution

The fourth proportional to 1,126,929.08, 1,690,349.88 and 452,808.20 is: 679,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,929.08 : 1,690,349.88 = 452,808.20 : x
  2. Step 2: Convert to fraction form
    1,126,929.08/1,690,349.88 = 452,808.20/x
  3. Step 3: Cross multiply
    1,126,929.08x = 1,690,349.88 × 452,808.20
  4. Step 4: Simplify right side
    1,126,929.08x = 765,404,286,533.02
  5. Step 5: Solve for x
    x = 765,404,286,533.02/1,126,929.08
  6. Step 6: Final answer
    x = 679,194.72

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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.