Home / 1,376,363.12-2,064,543.92-429,814.96

Finding the Fourth Proportional to 1,376,363.12, 2,064,543.92 and 429,814.96

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Solution

The fourth proportional to 1,376,363.12, 2,064,543.92 and 429,814.96 is: 644,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,363.12 : 2,064,543.92 = 429,814.96 : x
  2. Step 2: Convert to fraction form
    1,376,363.12/2,064,543.92 = 429,814.96/x
  3. Step 3: Cross multiply
    1,376,363.12x = 2,064,543.92 × 429,814.96
  4. Step 4: Simplify right side
    1,376,363.12x = 887,371,862,393.04
  5. Step 5: Solve for x
    x = 887,371,862,393.04/1,376,363.12
  6. Step 6: Final answer
    x = 644,722.20

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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.