Home / 1,138,447.80-1,707,671.70-1,068,406.20

Finding the Fourth Proportional to 1,138,447.80, 1,707,671.70 and 1,068,406.20

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Solution

The fourth proportional to 1,138,447.80, 1,707,671.70 and 1,068,406.20 is: 1,602,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,447.80 : 1,707,671.70 = 1,068,406.20 : x
  2. Step 2: Convert to fraction form
    1,138,447.80/1,707,671.70 = 1,068,406.20/x
  3. Step 3: Cross multiply
    1,138,447.80x = 1,707,671.70 × 1,068,406.20
  4. Step 4: Simplify right side
    1,138,447.80x = 1,824,487,031,844.54
  5. Step 5: Solve for x
    x = 1,824,487,031,844.54/1,138,447.80
  6. Step 6: Final answer
    x = 1,602,609.30

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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.