Home / 1,146,278.40-1,715,335.20-998,145.60

Finding the Fourth Proportional to 1,146,278.40, 1,715,335.20 and 998,145.60

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Solution

The fourth proportional to 1,146,278.40, 1,715,335.20 and 998,145.60 is: 1,493,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,278.40 : 1,715,335.20 = 998,145.60 : x
  2. Step 2: Convert to fraction form
    1,146,278.40/1,715,335.20 = 998,145.60/x
  3. Step 3: Cross multiply
    1,146,278.40x = 1,715,335.20 × 998,145.60
  4. Step 4: Simplify right side
    1,146,278.40x = 1,712,154,282,405.12
  5. Step 5: Solve for x
    x = 1,712,154,282,405.12/1,146,278.40
  6. Step 6: Final answer
    x = 1,493,663.57

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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.