Home / 1,681,037.40-2,520,025.20-615,822.60

Finding the Fourth Proportional to 1,681,037.40, 2,520,025.20 and 615,822.60

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Solution

The fourth proportional to 1,681,037.40, 2,520,025.20 and 615,822.60 is: 923,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,037.40 : 2,520,025.20 = 615,822.60 : x
  2. Step 2: Convert to fraction form
    1,681,037.40/2,520,025.20 = 615,822.60/x
  3. Step 3: Cross multiply
    1,681,037.40x = 2,520,025.20 × 615,822.60
  4. Step 4: Simplify right side
    1,681,037.40x = 1,551,888,470,729.52
  5. Step 5: Solve for x
    x = 1,551,888,470,729.52/1,681,037.40
  6. Step 6: Final answer
    x = 923,173.08

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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.