Home / 1,725,844.79-2,589,140.88-660,886.90

Finding the Fourth Proportional to 1,725,844.79, 2,589,140.88 and 660,886.90

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Solution

The fourth proportional to 1,725,844.79, 2,589,140.88 and 660,886.90 is: 991,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,844.79 : 2,589,140.88 = 660,886.90 : x
  2. Step 2: Convert to fraction form
    1,725,844.79/2,589,140.88 = 660,886.90/x
  3. Step 3: Cross multiply
    1,725,844.79x = 2,589,140.88 × 660,886.90
  4. Step 4: Simplify right side
    1,725,844.79x = 1,711,129,283,373.62
  5. Step 5: Solve for x
    x = 1,711,129,283,373.62/1,725,844.79
  6. Step 6: Final answer
    x = 991,473.45

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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.