Home / 1,551,790.16-2,141,449.80-872,726.64

Finding the Fourth Proportional to 1,551,790.16, 2,141,449.80 and 872,726.64

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Solution

The fourth proportional to 1,551,790.16, 2,141,449.80 and 872,726.64 is: 1,204,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,790.16 : 2,141,449.80 = 872,726.64 : x
  2. Step 2: Convert to fraction form
    1,551,790.16/2,141,449.80 = 872,726.64/x
  3. Step 3: Cross multiply
    1,551,790.16x = 2,141,449.80 × 872,726.64
  4. Step 4: Simplify right side
    1,551,790.16x = 1,868,900,288,682.67
  5. Step 5: Solve for x
    x = 1,868,900,288,682.67/1,551,790.16
  6. Step 6: Final answer
    x = 1,204,351.17

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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.