Home / 941,615.20-1,412,422.80-869,730.40

Finding the Fourth Proportional to 941,615.20, 1,412,422.80 and 869,730.40

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Solution

The fourth proportional to 941,615.20, 1,412,422.80 and 869,730.40 is: 1,304,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,615.20 : 1,412,422.80 = 869,730.40 : x
  2. Step 2: Convert to fraction form
    941,615.20/1,412,422.80 = 869,730.40/x
  3. Step 3: Cross multiply
    941,615.20x = 1,412,422.80 × 869,730.40
  4. Step 4: Simplify right side
    941,615.20x = 1,228,427,046,813.12
  5. Step 5: Solve for x
    x = 1,228,427,046,813.12/941,615.20
  6. Step 6: Final answer
    x = 1,304,595.60

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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.