Home / 1,011,807.60-1,396,128.72-598,286.88

Finding the Fourth Proportional to 1,011,807.60, 1,396,128.72 and 598,286.88

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Solution

The fourth proportional to 1,011,807.60, 1,396,128.72 and 598,286.88 is: 825,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,807.60 : 1,396,128.72 = 598,286.88 : x
  2. Step 2: Convert to fraction form
    1,011,807.60/1,396,128.72 = 598,286.88/x
  3. Step 3: Cross multiply
    1,011,807.60x = 1,396,128.72 × 598,286.88
  4. Step 4: Simplify right side
    1,011,807.60x = 835,285,495,967.19
  5. Step 5: Solve for x
    x = 835,285,495,967.19/1,011,807.60
  6. Step 6: Final answer
    x = 825,537.87

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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.