Home / 1,281,714.80-1,920,498.60-807,551.60

Finding the Fourth Proportional to 1,281,714.80, 1,920,498.60 and 807,551.60

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Solution

The fourth proportional to 1,281,714.80, 1,920,498.60 and 807,551.60 is: 1,210,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,714.80 : 1,920,498.60 = 807,551.60 : x
  2. Step 2: Convert to fraction form
    1,281,714.80/1,920,498.60 = 807,551.60/x
  3. Step 3: Cross multiply
    1,281,714.80x = 1,920,498.60 × 807,551.60
  4. Step 4: Simplify right side
    1,281,714.80x = 1,550,901,717,227.76
  5. Step 5: Solve for x
    x = 1,550,901,717,227.76/1,281,714.80
  6. Step 6: Final answer
    x = 1,210,020.92

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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.