Home / 1,398,171.44-2,092,746.36-723,323.42

Finding the Fourth Proportional to 1,398,171.44, 2,092,746.36 and 723,323.42

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Solution

The fourth proportional to 1,398,171.44, 2,092,746.36 and 723,323.42 is: 1,082,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,171.44 : 2,092,746.36 = 723,323.42 : x
  2. Step 2: Convert to fraction form
    1,398,171.44/2,092,746.36 = 723,323.42/x
  3. Step 3: Cross multiply
    1,398,171.44x = 2,092,746.36 × 723,323.42
  4. Step 4: Simplify right side
    1,398,171.44x = 1,513,732,454,307.75
  5. Step 5: Solve for x
    x = 1,513,732,454,307.75/1,398,171.44
  6. Step 6: Final answer
    x = 1,082,651.53

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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.