Home / 1,755,147.60-2,422,057.30-980,784.81

Finding the Fourth Proportional to 1,755,147.60, 2,422,057.30 and 980,784.81

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Solution

The fourth proportional to 1,755,147.60, 2,422,057.30 and 980,784.81 is: 1,353,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,147.60 : 2,422,057.30 = 980,784.81 : x
  2. Step 2: Convert to fraction form
    1,755,147.60/2,422,057.30 = 980,784.81/x
  3. Step 3: Cross multiply
    1,755,147.60x = 2,422,057.30 × 980,784.81
  4. Step 4: Simplify right side
    1,755,147.60x = 2,375,517,006,337.65
  5. Step 5: Solve for x
    x = 2,375,517,006,337.65/1,755,147.60
  6. Step 6: Final answer
    x = 1,353,457.11

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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.