Home / 1,428,035.91-2,141,974.81-1,044,178.23

Finding the Fourth Proportional to 1,428,035.91, 2,141,974.81 and 1,044,178.23

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Solution

The fourth proportional to 1,428,035.91, 2,141,974.81 and 1,044,178.23 is: 1,566,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,035.91 : 2,141,974.81 = 1,044,178.23 : x
  2. Step 2: Convert to fraction form
    1,428,035.91/2,141,974.81 = 1,044,178.23/x
  3. Step 3: Cross multiply
    1,428,035.91x = 2,141,974.81 × 1,044,178.23
  4. Step 4: Simplify right side
    1,428,035.91x = 2,236,603,465,810.39
  5. Step 5: Solve for x
    x = 2,236,603,465,810.39/1,428,035.91
  6. Step 6: Final answer
    x = 1,566,209.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.