Home / 1,465,606.20-2,199,705.30-865,817.40

Finding the Fourth Proportional to 1,465,606.20, 2,199,705.30 and 865,817.40

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Solution

The fourth proportional to 1,465,606.20, 2,199,705.30 and 865,817.40 is: 1,299,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,606.20 : 2,199,705.30 = 865,817.40 : x
  2. Step 2: Convert to fraction form
    1,465,606.20/2,199,705.30 = 865,817.40/x
  3. Step 3: Cross multiply
    1,465,606.20x = 2,199,705.30 × 865,817.40
  4. Step 4: Simplify right side
    1,465,606.20x = 1,904,543,123,612.22
  5. Step 5: Solve for x
    x = 1,904,543,123,612.22/1,465,606.20
  6. Step 6: Final answer
    x = 1,299,491.72

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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.