Home / 941,625.20-1,412,437.80-869,740.40

Finding the Fourth Proportional to 941,625.20, 1,412,437.80 and 869,740.40

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Solution

The fourth proportional to 941,625.20, 1,412,437.80 and 869,740.40 is: 1,304,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,625.20 : 1,412,437.80 = 869,740.40 : x
  2. Step 2: Convert to fraction form
    941,625.20/1,412,437.80 = 869,740.40/x
  3. Step 3: Cross multiply
    941,625.20x = 1,412,437.80 × 869,740.40
  4. Step 4: Simplify right side
    941,625.20x = 1,228,454,217,147.12
  5. Step 5: Solve for x
    x = 1,228,454,217,147.12/941,625.20
  6. Step 6: Final answer
    x = 1,304,610.60

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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.