Home / 1,154,217.80-1,731,512.84-355,499.08

Finding the Fourth Proportional to 1,154,217.80, 1,731,512.84 and 355,499.08

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Solution

The fourth proportional to 1,154,217.80, 1,731,512.84 and 355,499.08 is: 533,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,217.80 : 1,731,512.84 = 355,499.08 : x
  2. Step 2: Convert to fraction form
    1,154,217.80/1,731,512.84 = 355,499.08/x
  3. Step 3: Cross multiply
    1,154,217.80x = 1,731,512.84 × 355,499.08
  4. Step 4: Simplify right side
    1,154,217.80x = 615,551,215,521.91
  5. Step 5: Solve for x
    x = 615,551,215,521.91/1,154,217.80
  6. Step 6: Final answer
    x = 533,305.94

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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.