Home / 1,077,104.80-1,615,657.20-515,850.40

Finding the Fourth Proportional to 1,077,104.80, 1,615,657.20 and 515,850.40

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Solution

The fourth proportional to 1,077,104.80, 1,615,657.20 and 515,850.40 is: 773,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,104.80 : 1,615,657.20 = 515,850.40 : x
  2. Step 2: Convert to fraction form
    1,077,104.80/1,615,657.20 = 515,850.40/x
  3. Step 3: Cross multiply
    1,077,104.80x = 1,615,657.20 × 515,850.40
  4. Step 4: Simplify right side
    1,077,104.80x = 833,437,412,882.88
  5. Step 5: Solve for x
    x = 833,437,412,882.88/1,077,104.80
  6. Step 6: Final answer
    x = 773,775.60

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Similar ratio
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1.5x scale

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.