Home / 1,492,129.38-2,059,141.16-813,065.88

Finding the Fourth Proportional to 1,492,129.38, 2,059,141.16 and 813,065.88

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Solution

The fourth proportional to 1,492,129.38, 2,059,141.16 and 813,065.88 is: 1,122,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,129.38 : 2,059,141.16 = 813,065.88 : x
  2. Step 2: Convert to fraction form
    1,492,129.38/2,059,141.16 = 813,065.88/x
  3. Step 3: Cross multiply
    1,492,129.38x = 2,059,141.16 × 813,065.88
  4. Step 4: Simplify right side
    1,492,129.38x = 1,674,217,419,299.62
  5. Step 5: Solve for x
    x = 1,674,217,419,299.62/1,492,129.38
  6. Step 6: Final answer
    x = 1,122,032.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.