Home / 1,039,672.40-1,558,342.20-440,531.60

Finding the Fourth Proportional to 1,039,672.40, 1,558,342.20 and 440,531.60

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Solution

The fourth proportional to 1,039,672.40, 1,558,342.20 and 440,531.60 is: 660,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,672.40 : 1,558,342.20 = 440,531.60 : x
  2. Step 2: Convert to fraction form
    1,039,672.40/1,558,342.20 = 440,531.60/x
  3. Step 3: Cross multiply
    1,039,672.40x = 1,558,342.20 × 440,531.60
  4. Step 4: Simplify right side
    1,039,672.40x = 686,498,982,713.52
  5. Step 5: Solve for x
    x = 686,498,982,713.52/1,039,672.40
  6. Step 6: Final answer
    x = 660,303.17

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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.