Home / 1,295,870.20-1,788,656.57-752,181.15

Finding the Fourth Proportional to 1,295,870.20, 1,788,656.57 and 752,181.15

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Solution

The fourth proportional to 1,295,870.20, 1,788,656.57 and 752,181.15 is: 1,038,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,870.20 : 1,788,656.57 = 752,181.15 : x
  2. Step 2: Convert to fraction form
    1,295,870.20/1,788,656.57 = 752,181.15/x
  3. Step 3: Cross multiply
    1,295,870.20x = 1,788,656.57 × 752,181.15
  4. Step 4: Simplify right side
    1,295,870.20x = 1,345,393,761,544.89
  5. Step 5: Solve for x
    x = 1,345,393,761,544.89/1,295,870.20
  6. Step 6: Final answer
    x = 1,038,216.45

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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.