Home / 1,345,158.78-2,017,740.33-923,155.26

Finding the Fourth Proportional to 1,345,158.78, 2,017,740.33 and 923,155.26

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Solution

The fourth proportional to 1,345,158.78, 2,017,740.33 and 923,155.26 is: 1,384,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,158.78 : 2,017,740.33 = 923,155.26 : x
  2. Step 2: Convert to fraction form
    1,345,158.78/2,017,740.33 = 923,155.26/x
  3. Step 3: Cross multiply
    1,345,158.78x = 2,017,740.33 × 923,155.26
  4. Step 4: Simplify right side
    1,345,158.78x = 1,862,687,598,953.64
  5. Step 5: Solve for x
    x = 1,862,687,598,953.64/1,345,158.78
  6. Step 6: Final answer
    x = 1,384,734.37

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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.