Home / 1,099,149.64-1,516,799.34-615,711.66

Finding the Fourth Proportional to 1,099,149.64, 1,516,799.34 and 615,711.66

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Solution

The fourth proportional to 1,099,149.64, 1,516,799.34 and 615,711.66 is: 849,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,149.64 : 1,516,799.34 = 615,711.66 : x
  2. Step 2: Convert to fraction form
    1,099,149.64/1,516,799.34 = 615,711.66/x
  3. Step 3: Cross multiply
    1,099,149.64x = 1,516,799.34 × 615,711.66
  4. Step 4: Simplify right side
    1,099,149.64x = 933,911,039,518.31
  5. Step 5: Solve for x
    x = 933,911,039,518.31/1,099,149.64
  6. Step 6: Final answer
    x = 849,666.87

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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.