Home / 1,657,555.32-2,486,086.84-459,352.72

Finding the Fourth Proportional to 1,657,555.32, 2,486,086.84 and 459,352.72

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Solution

The fourth proportional to 1,657,555.32, 2,486,086.84 and 459,352.72 is: 688,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,555.32 : 2,486,086.84 = 459,352.72 : x
  2. Step 2: Convert to fraction form
    1,657,555.32/2,486,086.84 = 459,352.72/x
  3. Step 3: Cross multiply
    1,657,555.32x = 2,486,086.84 × 459,352.72
  4. Step 4: Simplify right side
    1,657,555.32x = 1,141,990,752,110.20
  5. Step 5: Solve for x
    x = 1,141,990,752,110.20/1,657,555.32
  6. Step 6: Final answer
    x = 688,960.87

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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.