Home / 1,902,479.60-2,851,300.20-779,279.60

Finding the Fourth Proportional to 1,902,479.60, 2,851,300.20 and 779,279.60

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Solution

The fourth proportional to 1,902,479.60, 2,851,300.20 and 779,279.60 is: 1,167,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,479.60 : 2,851,300.20 = 779,279.60 : x
  2. Step 2: Convert to fraction form
    1,902,479.60/2,851,300.20 = 779,279.60/x
  3. Step 3: Cross multiply
    1,902,479.60x = 2,851,300.20 × 779,279.60
  4. Step 4: Simplify right side
    1,902,479.60x = 2,221,960,079,335.92
  5. Step 5: Solve for x
    x = 2,221,960,079,335.92/1,902,479.60
  6. Step 6: Final answer
    x = 1,167,928.47

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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.