Home / 1,018,366.38-1,525,222.71-486,260.10

Finding the Fourth Proportional to 1,018,366.38, 1,525,222.71 and 486,260.10

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Solution

The fourth proportional to 1,018,366.38, 1,525,222.71 and 486,260.10 is: 728,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,366.38 : 1,525,222.71 = 486,260.10 : x
  2. Step 2: Convert to fraction form
    1,018,366.38/1,525,222.71 = 486,260.10/x
  3. Step 3: Cross multiply
    1,018,366.38x = 1,525,222.71 × 486,260.10
  4. Step 4: Simplify right side
    1,018,366.38x = 741,654,947,486.87
  5. Step 5: Solve for x
    x = 741,654,947,486.87/1,018,366.38
  6. Step 6: Final answer
    x = 728,279.10

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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.