Home / 1,018,363.38-1,525,218.21-486,257.10

Finding the Fourth Proportional to 1,018,363.38, 1,525,218.21 and 486,257.10

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Solution

The fourth proportional to 1,018,363.38, 1,525,218.21 and 486,257.10 is: 728,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,363.38 : 1,525,218.21 = 486,257.10 : x
  2. Step 2: Convert to fraction form
    1,018,363.38/1,525,218.21 = 486,257.10/x
  3. Step 3: Cross multiply
    1,018,363.38x = 1,525,218.21 × 486,257.10
  4. Step 4: Simplify right side
    1,018,363.38x = 741,648,183,661.79
  5. Step 5: Solve for x
    x = 741,648,183,661.79/1,018,363.38
  6. Step 6: Final answer
    x = 728,274.60

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Double scale
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1.5x scale

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.