Home / 1,295,851.25-1,788,630.40-752,162.20

Finding the Fourth Proportional to 1,295,851.25, 1,788,630.40 and 752,162.20

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Solution

The fourth proportional to 1,295,851.25, 1,788,630.40 and 752,162.20 is: 1,038,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,851.25 : 1,788,630.40 = 752,162.20 : x
  2. Step 2: Convert to fraction form
    1,295,851.25/1,788,630.40 = 752,162.20/x
  3. Step 3: Cross multiply
    1,295,851.25x = 1,788,630.40 × 752,162.20
  4. Step 4: Simplify right side
    1,295,851.25x = 1,345,340,176,650.88
  5. Step 5: Solve for x
    x = 1,345,340,176,650.88/1,295,851.25
  6. Step 6: Final answer
    x = 1,038,190.28

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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.