Home / 1,639,713.25-2,262,793.37-904,705.38

Finding the Fourth Proportional to 1,639,713.25, 2,262,793.37 and 904,705.38

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Solution

The fourth proportional to 1,639,713.25, 2,262,793.37 and 904,705.38 is: 1,248,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,713.25 : 2,262,793.37 = 904,705.38 : x
  2. Step 2: Convert to fraction form
    1,639,713.25/2,262,793.37 = 904,705.38/x
  3. Step 3: Cross multiply
    1,639,713.25x = 2,262,793.37 × 904,705.38
  4. Step 4: Simplify right side
    1,639,713.25x = 2,047,161,331,143.80
  5. Step 5: Solve for x
    x = 2,047,161,331,143.80/1,639,713.25
  6. Step 6: Final answer
    x = 1,248,487.40

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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.