Home / 1,428,217.29-1,969,146.54-1,045,579.77

Finding the Fourth Proportional to 1,428,217.29, 1,969,146.54 and 1,045,579.77

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Solution

The fourth proportional to 1,428,217.29, 1,969,146.54 and 1,045,579.77 is: 1,441,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,217.29 : 1,969,146.54 = 1,045,579.77 : x
  2. Step 2: Convert to fraction form
    1,428,217.29/1,969,146.54 = 1,045,579.77/x
  3. Step 3: Cross multiply
    1,428,217.29x = 1,969,146.54 × 1,045,579.77
  4. Step 4: Simplify right side
    1,428,217.29x = 2,058,899,786,389.50
  5. Step 5: Solve for x
    x = 2,058,899,786,389.50/1,428,217.29
  6. Step 6: Final answer
    x = 1,441,587.22

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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.