Home / 1,522,672.80-2,281,244.40-1,240,663.20

Finding the Fourth Proportional to 1,522,672.80, 2,281,244.40 and 1,240,663.20

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Solution

The fourth proportional to 1,522,672.80, 2,281,244.40 and 1,240,663.20 is: 1,858,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,672.80 : 2,281,244.40 = 1,240,663.20 : x
  2. Step 2: Convert to fraction form
    1,522,672.80/2,281,244.40 = 1,240,663.20/x
  3. Step 3: Cross multiply
    1,522,672.80x = 2,281,244.40 × 1,240,663.20
  4. Step 4: Simplify right side
    1,522,672.80x = 2,830,255,977,286.08
  5. Step 5: Solve for x
    x = 2,830,255,977,286.08/1,522,672.80
  6. Step 6: Final answer
    x = 1,858,742.06

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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.