Home / 1,120,813.20-1,549,708.20-979,095.60

Finding the Fourth Proportional to 1,120,813.20, 1,549,708.20 and 979,095.60

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Solution

The fourth proportional to 1,120,813.20, 1,549,708.20 and 979,095.60 is: 1,353,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,813.20 : 1,549,708.20 = 979,095.60 : x
  2. Step 2: Convert to fraction form
    1,120,813.20/1,549,708.20 = 979,095.60/x
  3. Step 3: Cross multiply
    1,120,813.20x = 1,549,708.20 × 979,095.60
  4. Step 4: Simplify right side
    1,120,813.20x = 1,517,312,479,903.92
  5. Step 5: Solve for x
    x = 1,517,312,479,903.92/1,120,813.20
  6. Step 6: Final answer
    x = 1,353,760.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.