Home / 1,039,287.40-1,557,764.70-440,146.60

Finding the Fourth Proportional to 1,039,287.40, 1,557,764.70 and 440,146.60

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Solution

The fourth proportional to 1,039,287.40, 1,557,764.70 and 440,146.60 is: 659,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,287.40 : 1,557,764.70 = 440,146.60 : x
  2. Step 2: Convert to fraction form
    1,039,287.40/1,557,764.70 = 440,146.60/x
  3. Step 3: Cross multiply
    1,039,287.40x = 1,557,764.70 × 440,146.60
  4. Step 4: Simplify right side
    1,039,287.40x = 685,644,836,305.02
  5. Step 5: Solve for x
    x = 685,644,836,305.02/1,039,287.40
  6. Step 6: Final answer
    x = 659,725.92

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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.