Home / 1,326,541.25-1,989,700.71-474,242.75

Finding the Fourth Proportional to 1,326,541.25, 1,989,700.71 and 474,242.75

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Solution

The fourth proportional to 1,326,541.25, 1,989,700.71 and 474,242.75 is: 711,324.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,541.25 : 1,989,700.71 = 474,242.75 : x
  2. Step 2: Convert to fraction form
    1,326,541.25/1,989,700.71 = 474,242.75/x
  3. Step 3: Cross multiply
    1,326,541.25x = 1,989,700.71 × 474,242.75
  4. Step 4: Simplify right side
    1,326,541.25x = 943,601,132,121.82
  5. Step 5: Solve for x
    x = 943,601,132,121.82/1,326,541.25
  6. Step 6: Final answer
    x = 711,324.38

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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.