Home / 1,381,814.06-2,071,148.74-840,877.29

Finding the Fourth Proportional to 1,381,814.06, 2,071,148.74 and 840,877.29

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Solution

The fourth proportional to 1,381,814.06, 2,071,148.74 and 840,877.29 is: 1,260,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,814.06 : 2,071,148.74 = 840,877.29 : x
  2. Step 2: Convert to fraction form
    1,381,814.06/2,071,148.74 = 840,877.29/x
  3. Step 3: Cross multiply
    1,381,814.06x = 2,071,148.74 × 840,877.29
  4. Step 4: Simplify right side
    1,381,814.06x = 1,741,581,937,575.92
  5. Step 5: Solve for x
    x = 1,741,581,937,575.92/1,381,814.06
  6. Step 6: Final answer
    x = 1,260,359.11

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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.