Home / 1,024,451.30-1,412,428.50-840,010.29

Finding the Fourth Proportional to 1,024,451.30, 1,412,428.50 and 840,010.29

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Solution

The fourth proportional to 1,024,451.30, 1,412,428.50 and 840,010.29 is: 1,158,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,451.30 : 1,412,428.50 = 840,010.29 : x
  2. Step 2: Convert to fraction form
    1,024,451.30/1,412,428.50 = 840,010.29/x
  3. Step 3: Cross multiply
    1,024,451.30x = 1,412,428.50 × 840,010.29
  4. Step 4: Simplify right side
    1,024,451.30x = 1,186,454,473,889.27
  5. Step 5: Solve for x
    x = 1,186,454,473,889.27/1,024,451.30
  6. Step 6: Final answer
    x = 1,158,136.54

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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.