Home / 1,304,761.20-1,957,141.80-879,608.40

Finding the Fourth Proportional to 1,304,761.20, 1,957,141.80 and 879,608.40

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Solution

The fourth proportional to 1,304,761.20, 1,957,141.80 and 879,608.40 is: 1,319,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,761.20 : 1,957,141.80 = 879,608.40 : x
  2. Step 2: Convert to fraction form
    1,304,761.20/1,957,141.80 = 879,608.40/x
  3. Step 3: Cross multiply
    1,304,761.20x = 1,957,141.80 × 879,608.40
  4. Step 4: Simplify right side
    1,304,761.20x = 1,721,518,367,271.12
  5. Step 5: Solve for x
    x = 1,721,518,367,271.12/1,304,761.20
  6. Step 6: Final answer
    x = 1,319,412.60

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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.