Home / 1,073,183.49-1,480,670.22-643,306.77

Finding the Fourth Proportional to 1,073,183.49, 1,480,670.22 and 643,306.77

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Solution

The fourth proportional to 1,073,183.49, 1,480,670.22 and 643,306.77 is: 887,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,183.49 : 1,480,670.22 = 643,306.77 : x
  2. Step 2: Convert to fraction form
    1,073,183.49/1,480,670.22 = 643,306.77/x
  3. Step 3: Cross multiply
    1,073,183.49x = 1,480,670.22 × 643,306.77
  4. Step 4: Simplify right side
    1,073,183.49x = 952,525,176,663.39
  5. Step 5: Solve for x
    x = 952,525,176,663.39/1,073,183.49
  6. Step 6: Final answer
    x = 887,569.73

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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.