Home / 1,418,340.50-1,957,309.89-909,042.88

Finding the Fourth Proportional to 1,418,340.50, 1,957,309.89 and 909,042.88

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Solution

The fourth proportional to 1,418,340.50, 1,957,309.89 and 909,042.88 is: 1,254,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,340.50 : 1,957,309.89 = 909,042.88 : x
  2. Step 2: Convert to fraction form
    1,418,340.50/1,957,309.89 = 909,042.88/x
  3. Step 3: Cross multiply
    1,418,340.50x = 1,957,309.89 × 909,042.88
  4. Step 4: Simplify right side
    1,418,340.50x = 1,779,278,619,458.08
  5. Step 5: Solve for x
    x = 1,779,278,619,458.08/1,418,340.50
  6. Step 6: Final answer
    x = 1,254,479.17

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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.