Home / 1,359,874.89-2,034,781.02-820,444.05

Finding the Fourth Proportional to 1,359,874.89, 2,034,781.02 and 820,444.05

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Solution

The fourth proportional to 1,359,874.89, 2,034,781.02 and 820,444.05 is: 1,227,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,874.89 : 2,034,781.02 = 820,444.05 : x
  2. Step 2: Convert to fraction form
    1,359,874.89/2,034,781.02 = 820,444.05/x
  3. Step 3: Cross multiply
    1,359,874.89x = 2,034,781.02 × 820,444.05
  4. Step 4: Simplify right side
    1,359,874.89x = 1,669,423,980,911.93
  5. Step 5: Solve for x
    x = 1,669,423,980,911.93/1,359,874.89
  6. Step 6: Final answer
    x = 1,227,630.57

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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.