Home / 1,356,112.13-1,871,522.21-752,500.13

Finding the Fourth Proportional to 1,356,112.13, 1,871,522.21 and 752,500.13

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Solution

The fourth proportional to 1,356,112.13, 1,871,522.21 and 752,500.13 is: 1,038,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,112.13 : 1,871,522.21 = 752,500.13 : x
  2. Step 2: Convert to fraction form
    1,356,112.13/1,871,522.21 = 752,500.13/x
  3. Step 3: Cross multiply
    1,356,112.13x = 1,871,522.21 × 752,500.13
  4. Step 4: Simplify right side
    1,356,112.13x = 1,408,320,698,846.53
  5. Step 5: Solve for x
    x = 1,408,320,698,846.53/1,356,112.13
  6. Step 6: Final answer
    x = 1,038,498.71

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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.