Home / 1,120,387.96-1,546,156.38-611,108.56

Finding the Fourth Proportional to 1,120,387.96, 1,546,156.38 and 611,108.56

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Solution

The fourth proportional to 1,120,387.96, 1,546,156.38 and 611,108.56 is: 843,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,387.96 : 1,546,156.38 = 611,108.56 : x
  2. Step 2: Convert to fraction form
    1,120,387.96/1,546,156.38 = 611,108.56/x
  3. Step 3: Cross multiply
    1,120,387.96x = 1,546,156.38 × 611,108.56
  4. Step 4: Simplify right side
    1,120,387.96x = 944,869,398,916.61
  5. Step 5: Solve for x
    x = 944,869,398,916.61/1,120,387.96
  6. Step 6: Final answer
    x = 843,341.26

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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.