Home / 1,207,143.24-1,666,002.54-723,974.16

Finding the Fourth Proportional to 1,207,143.24, 1,666,002.54 and 723,974.16

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Solution

The fourth proportional to 1,207,143.24, 1,666,002.54 and 723,974.16 is: 999,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,143.24 : 1,666,002.54 = 723,974.16 : x
  2. Step 2: Convert to fraction form
    1,207,143.24/1,666,002.54 = 723,974.16/x
  3. Step 3: Cross multiply
    1,207,143.24x = 1,666,002.54 × 723,974.16
  4. Step 4: Simplify right side
    1,207,143.24x = 1,206,142,789,454.37
  5. Step 5: Solve for x
    x = 1,206,142,789,454.37/1,207,143.24
  6. Step 6: Final answer
    x = 999,171.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.