Home / 1,227,857.12-1,843,042.53-1,013,943.51

Finding the Fourth Proportional to 1,227,857.12, 1,843,042.53 and 1,013,943.51

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Solution

The fourth proportional to 1,227,857.12, 1,843,042.53 and 1,013,943.51 is: 1,521,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,857.12 : 1,843,042.53 = 1,013,943.51 : x
  2. Step 2: Convert to fraction form
    1,227,857.12/1,843,042.53 = 1,013,943.51/x
  3. Step 3: Cross multiply
    1,227,857.12x = 1,843,042.53 × 1,013,943.51
  4. Step 4: Simplify right side
    1,227,857.12x = 1,868,741,011,947.48
  5. Step 5: Solve for x
    x = 1,868,741,011,947.48/1,227,857.12
  6. Step 6: Final answer
    x = 1,521,953.16

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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.