Home / 1,372,114.80-2,059,338.60-615,121.20

Finding the Fourth Proportional to 1,372,114.80, 2,059,338.60 and 615,121.20

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Solution

The fourth proportional to 1,372,114.80, 2,059,338.60 and 615,121.20 is: 923,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,114.80 : 2,059,338.60 = 615,121.20 : x
  2. Step 2: Convert to fraction form
    1,372,114.80/2,059,338.60 = 615,121.20/x
  3. Step 3: Cross multiply
    1,372,114.80x = 2,059,338.60 × 615,121.20
  4. Step 4: Simplify right side
    1,372,114.80x = 1,266,742,830,838.32
  5. Step 5: Solve for x
    x = 1,266,742,830,838.32/1,372,114.80
  6. Step 6: Final answer
    x = 923,204.70

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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.