Home / 1,560,114.90-2,336,673.15-1,280,178.90

Finding the Fourth Proportional to 1,560,114.90, 2,336,673.15 and 1,280,178.90

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Solution

The fourth proportional to 1,560,114.90, 2,336,673.15 and 1,280,178.90 is: 1,917,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,114.90 : 2,336,673.15 = 1,280,178.90 : x
  2. Step 2: Convert to fraction form
    1,560,114.90/2,336,673.15 = 1,280,178.90/x
  3. Step 3: Cross multiply
    1,560,114.90x = 2,336,673.15 × 1,280,178.90
  4. Step 4: Simplify right side
    1,560,114.90x = 2,991,359,662,826.53
  5. Step 5: Solve for x
    x = 2,991,359,662,826.53/1,560,114.90
  6. Step 6: Final answer
    x = 1,917,397.02

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1.5x scale

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.