Home / 1,275,099.15-1,911,760.95-564,742.11

Finding the Fourth Proportional to 1,275,099.15, 1,911,760.95 and 564,742.11

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Solution

The fourth proportional to 1,275,099.15, 1,911,760.95 and 564,742.11 is: 846,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,099.15 : 1,911,760.95 = 564,742.11 : x
  2. Step 2: Convert to fraction form
    1,275,099.15/1,911,760.95 = 564,742.11/x
  3. Step 3: Cross multiply
    1,275,099.15x = 1,911,760.95 × 564,742.11
  4. Step 4: Simplify right side
    1,275,099.15x = 1,079,651,912,718.60
  5. Step 5: Solve for x
    x = 1,079,651,912,718.60/1,275,099.15
  6. Step 6: Final answer
    x = 846,719.97

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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.