Home / 887,936.80-1,332,002.40-859,943.20

Finding the Fourth Proportional to 887,936.80, 1,332,002.40 and 859,943.20

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Solution

The fourth proportional to 887,936.80, 1,332,002.40 and 859,943.20 is: 1,290,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,936.80 : 1,332,002.40 = 859,943.20 : x
  2. Step 2: Convert to fraction form
    887,936.80/1,332,002.40 = 859,943.20/x
  3. Step 3: Cross multiply
    887,936.80x = 1,332,002.40 × 859,943.20
  4. Step 4: Simplify right side
    887,936.80x = 1,145,446,406,263.68
  5. Step 5: Solve for x
    x = 1,145,446,406,263.68/887,936.80
  6. Step 6: Final answer
    x = 1,290,008.94

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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.