Home / 1,073,183.48-1,480,670.22-643,306.76

Finding the Fourth Proportional to 1,073,183.48, 1,480,670.22 and 643,306.76

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Solution

The fourth proportional to 1,073,183.48, 1,480,670.22 and 643,306.76 is: 887,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,183.48 : 1,480,670.22 = 643,306.76 : x
  2. Step 2: Convert to fraction form
    1,073,183.48/1,480,670.22 = 643,306.76/x
  3. Step 3: Cross multiply
    1,073,183.48x = 1,480,670.22 × 643,306.76
  4. Step 4: Simplify right side
    1,073,183.48x = 952,525,161,856.69
  5. Step 5: Solve for x
    x = 952,525,161,856.69/1,073,183.48
  6. Step 6: Final answer
    x = 887,569.72

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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.