Home / 781,299.90-1,058,072.63-781,299.90

Finding the Fourth Proportional to 781,299.90, 1,058,072.63 and 781,299.90

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Solution

The fourth proportional to 781,299.90, 1,058,072.63 and 781,299.90 is: 1,058,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,299.90 : 1,058,072.63 = 781,299.90 : x
  2. Step 2: Convert to fraction form
    781,299.90/1,058,072.63 = 781,299.90/x
  3. Step 3: Cross multiply
    781,299.90x = 1,058,072.63 × 781,299.90
  4. Step 4: Simplify right side
    781,299.90x = 826,672,036,105.24
  5. Step 5: Solve for x
    x = 826,672,036,105.24/781,299.90
  6. Step 6: Final answer
    x = 1,058,072.63

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.