Home / 1,210,077.60-1,815,116.40-1,194,331.20

Finding the Fourth Proportional to 1,210,077.60, 1,815,116.40 and 1,194,331.20

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Solution

The fourth proportional to 1,210,077.60, 1,815,116.40 and 1,194,331.20 is: 1,791,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,077.60 : 1,815,116.40 = 1,194,331.20 : x
  2. Step 2: Convert to fraction form
    1,210,077.60/1,815,116.40 = 1,194,331.20/x
  3. Step 3: Cross multiply
    1,210,077.60x = 1,815,116.40 × 1,194,331.20
  4. Step 4: Simplify right side
    1,210,077.60x = 2,167,850,148,151.68
  5. Step 5: Solve for x
    x = 2,167,850,148,151.68/1,210,077.60
  6. Step 6: Final answer
    x = 1,791,496.80

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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.