Home / 1,357,914.80-1,873,142.88-847,731.44

Finding the Fourth Proportional to 1,357,914.80, 1,873,142.88 and 847,731.44

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Solution

The fourth proportional to 1,357,914.80, 1,873,142.88 and 847,731.44 is: 1,169,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,914.80 : 1,873,142.88 = 847,731.44 : x
  2. Step 2: Convert to fraction form
    1,357,914.80/1,873,142.88 = 847,731.44/x
  3. Step 3: Cross multiply
    1,357,914.80x = 1,873,142.88 × 847,731.44
  4. Step 4: Simplify right side
    1,357,914.80x = 1,587,922,110,988.15
  5. Step 5: Solve for x
    x = 1,587,922,110,988.15/1,357,914.80
  6. Step 6: Final answer
    x = 1,169,382.73

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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.