Home / 1,432,851.19-2,147,505.31-723,082.21

Finding the Fourth Proportional to 1,432,851.19, 2,147,505.31 and 723,082.21

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Solution

The fourth proportional to 1,432,851.19, 2,147,505.31 and 723,082.21 is: 1,083,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,851.19 : 2,147,505.31 = 723,082.21 : x
  2. Step 2: Convert to fraction form
    1,432,851.19/2,147,505.31 = 723,082.21/x
  3. Step 3: Cross multiply
    1,432,851.19x = 2,147,505.31 × 723,082.21
  4. Step 4: Simplify right side
    1,432,851.19x = 1,552,822,885,541.54
  5. Step 5: Solve for x
    x = 1,552,822,885,541.54/1,432,851.19
  6. Step 6: Final answer
    x = 1,083,729.35

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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.