Home / 1,257,876.40-1,884,049.80-1,117,793.20

Finding the Fourth Proportional to 1,257,876.40, 1,884,049.80 and 1,117,793.20

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Solution

The fourth proportional to 1,257,876.40, 1,884,049.80 and 1,117,793.20 is: 1,674,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,876.40 : 1,884,049.80 = 1,117,793.20 : x
  2. Step 2: Convert to fraction form
    1,257,876.40/1,884,049.80 = 1,117,793.20/x
  3. Step 3: Cross multiply
    1,257,876.40x = 1,884,049.80 × 1,117,793.20
  4. Step 4: Simplify right side
    1,257,876.40x = 2,105,978,054,901.36
  5. Step 5: Solve for x
    x = 2,105,978,054,901.36/1,257,876.40
  6. Step 6: Final answer
    x = 1,674,232.90

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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.