Home / 1,227,859.07-1,843,045.38-1,013,945.40

Finding the Fourth Proportional to 1,227,859.07, 1,843,045.38 and 1,013,945.40

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Solution

The fourth proportional to 1,227,859.07, 1,843,045.38 and 1,013,945.40 is: 1,521,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,859.07 : 1,843,045.38 = 1,013,945.40 : x
  2. Step 2: Convert to fraction form
    1,227,859.07/1,843,045.38 = 1,013,945.40/x
  3. Step 3: Cross multiply
    1,227,859.07x = 1,843,045.38 × 1,013,945.40
  4. Step 4: Simplify right side
    1,227,859.07x = 1,868,747,385,042.25
  5. Step 5: Solve for x
    x = 1,868,747,385,042.25/1,227,859.07
  6. Step 6: Final answer
    x = 1,521,955.93

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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.