Home / 1,691,412.28-2,331,890.96-1,343,706.35

Finding the Fourth Proportional to 1,691,412.28, 2,331,890.96 and 1,343,706.35

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Solution

The fourth proportional to 1,691,412.28, 2,331,890.96 and 1,343,706.35 is: 1,852,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,412.28 : 2,331,890.96 = 1,343,706.35 : x
  2. Step 2: Convert to fraction form
    1,691,412.28/2,331,890.96 = 1,343,706.35/x
  3. Step 3: Cross multiply
    1,691,412.28x = 2,331,890.96 × 1,343,706.35
  4. Step 4: Simplify right side
    1,691,412.28x = 3,133,376,690,459.60
  5. Step 5: Solve for x
    x = 3,133,376,690,459.60/1,691,412.28
  6. Step 6: Final answer
    x = 1,852,520.95

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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.