Home / 1,356,036-1,871,329.68-752,521.12

Finding the Fourth Proportional to 1,356,036, 1,871,329.68 and 752,521.12

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Solution

The fourth proportional to 1,356,036, 1,871,329.68 and 752,521.12 is: 1,038,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,036 : 1,871,329.68 = 752,521.12 : x
  2. Step 2: Convert to fraction form
    1,356,036/1,871,329.68 = 752,521.12/x
  3. Step 3: Cross multiply
    1,356,036x = 1,871,329.68 × 752,521.12
  4. Step 4: Simplify right side
    1,356,036x = 1,408,215,106,682.84
  5. Step 5: Solve for x
    x = 1,408,215,106,682.84/1,356,036
  6. Step 6: Final answer
    x = 1,038,479.15

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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.