Home / 1,681,034.40-2,520,020.70-615,819.60

Finding the Fourth Proportional to 1,681,034.40, 2,520,020.70 and 615,819.60

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Solution

The fourth proportional to 1,681,034.40, 2,520,020.70 and 615,819.60 is: 923,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,034.40 : 2,520,020.70 = 615,819.60 : x
  2. Step 2: Convert to fraction form
    1,681,034.40/2,520,020.70 = 615,819.60/x
  3. Step 3: Cross multiply
    1,681,034.40x = 2,520,020.70 × 615,819.60
  4. Step 4: Simplify right side
    1,681,034.40x = 1,551,878,139,465.72
  5. Step 5: Solve for x
    x = 1,551,878,139,465.72/1,681,034.40
  6. Step 6: Final answer
    x = 923,168.58

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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.