Home / 1,005,722.15-1,387,881.20-546,833.05

Finding the Fourth Proportional to 1,005,722.15, 1,387,881.20 and 546,833.05

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Solution

The fourth proportional to 1,005,722.15, 1,387,881.20 and 546,833.05 is: 754,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,722.15 : 1,387,881.20 = 546,833.05 : x
  2. Step 2: Convert to fraction form
    1,005,722.15/1,387,881.20 = 546,833.05/x
  3. Step 3: Cross multiply
    1,005,722.15x = 1,387,881.20 × 546,833.05
  4. Step 4: Simplify right side
    1,005,722.15x = 758,939,307,531.04
  5. Step 5: Solve for x
    x = 758,939,307,531.04/1,005,722.15
  6. Step 6: Final answer
    x = 754,621.26

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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.