Home / 1,359,279.67-1,875,755.51-747,396.02

Finding the Fourth Proportional to 1,359,279.67, 1,875,755.51 and 747,396.02

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Solution

The fourth proportional to 1,359,279.67, 1,875,755.51 and 747,396.02 is: 1,031,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,279.67 : 1,875,755.51 = 747,396.02 : x
  2. Step 2: Convert to fraction form
    1,359,279.67/1,875,755.51 = 747,396.02/x
  3. Step 3: Cross multiply
    1,359,279.67x = 1,875,755.51 × 747,396.02
  4. Step 4: Simplify right side
    1,359,279.67x = 1,401,932,202,667.07
  5. Step 5: Solve for x
    x = 1,401,932,202,667.07/1,359,279.67
  6. Step 6: Final answer
    x = 1,031,378.78

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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.