Home / 1,385,158.60-2,079,422.70-879,718.60

Finding the Fourth Proportional to 1,385,158.60, 2,079,422.70 and 879,718.60

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Solution

The fourth proportional to 1,385,158.60, 2,079,422.70 and 879,718.60 is: 1,320,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,158.60 : 2,079,422.70 = 879,718.60 : x
  2. Step 2: Convert to fraction form
    1,385,158.60/2,079,422.70 = 879,718.60/x
  3. Step 3: Cross multiply
    1,385,158.60x = 2,079,422.70 × 879,718.60
  4. Step 4: Simplify right side
    1,385,158.60x = 1,829,306,826,452.22
  5. Step 5: Solve for x
    x = 1,829,306,826,452.22/1,385,158.60
  6. Step 6: Final answer
    x = 1,320,647.92

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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.