Home / 1,356,139.26-1,871,730.18-897,262.92

Finding the Fourth Proportional to 1,356,139.26, 1,871,730.18 and 897,262.92

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Solution

The fourth proportional to 1,356,139.26, 1,871,730.18 and 897,262.92 is: 1,238,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,139.26 : 1,871,730.18 = 897,262.92 : x
  2. Step 2: Convert to fraction form
    1,356,139.26/1,871,730.18 = 897,262.92/x
  3. Step 3: Cross multiply
    1,356,139.26x = 1,871,730.18 × 897,262.92
  4. Step 4: Simplify right side
    1,356,139.26x = 1,679,434,086,758.93
  5. Step 5: Solve for x
    x = 1,679,434,086,758.93/1,356,139.26
  6. Step 6: Final answer
    x = 1,238,393.53

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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.