Home / 1,627,597.60-2,442,562.80-681,647.20

Finding the Fourth Proportional to 1,627,597.60, 2,442,562.80 and 681,647.20

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Solution

The fourth proportional to 1,627,597.60, 2,442,562.80 and 681,647.20 is: 1,022,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,597.60 : 2,442,562.80 = 681,647.20 : x
  2. Step 2: Convert to fraction form
    1,627,597.60/2,442,562.80 = 681,647.20/x
  3. Step 3: Cross multiply
    1,627,597.60x = 2,442,562.80 × 681,647.20
  4. Step 4: Simplify right side
    1,627,597.60x = 1,664,966,093,444.16
  5. Step 5: Solve for x
    x = 1,664,966,093,444.16/1,627,597.60
  6. Step 6: Final answer
    x = 1,022,959.30

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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.