Home / 1,871,369-2,582,332.26-1,107,288.68

Finding the Fourth Proportional to 1,871,369, 2,582,332.26 and 1,107,288.68

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Solution

The fourth proportional to 1,871,369, 2,582,332.26 and 1,107,288.68 is: 1,527,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,369 : 2,582,332.26 = 1,107,288.68 : x
  2. Step 2: Convert to fraction form
    1,871,369/2,582,332.26 = 1,107,288.68/x
  3. Step 3: Cross multiply
    1,871,369x = 2,582,332.26 × 1,107,288.68
  4. Step 4: Simplify right side
    1,871,369x = 2,859,387,279,496.82
  5. Step 5: Solve for x
    x = 2,859,387,279,496.82/1,871,369
  6. Step 6: Final answer
    x = 1,527,965.51

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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.