Home / 1,005,261.32-1,387,274.68-546,375.75

Finding the Fourth Proportional to 1,005,261.32, 1,387,274.68 and 546,375.75

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Solution

The fourth proportional to 1,005,261.32, 1,387,274.68 and 546,375.75 is: 754,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,261.32 : 1,387,274.68 = 546,375.75 : x
  2. Step 2: Convert to fraction form
    1,005,261.32/1,387,274.68 = 546,375.75/x
  3. Step 3: Cross multiply
    1,005,261.32x = 1,387,274.68 × 546,375.75
  4. Step 4: Simplify right side
    1,005,261.32x = 757,973,243,741.01
  5. Step 5: Solve for x
    x = 757,973,243,741.01/1,005,261.32
  6. Step 6: Final answer
    x = 754,006.18

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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.