Home / 1,227,859.12-1,843,045.53-1,013,945.51

Finding the Fourth Proportional to 1,227,859.12, 1,843,045.53 and 1,013,945.51

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Solution

The fourth proportional to 1,227,859.12, 1,843,045.53 and 1,013,945.51 is: 1,521,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,859.12 : 1,843,045.53 = 1,013,945.51 : x
  2. Step 2: Convert to fraction form
    1,227,859.12/1,843,045.53 = 1,013,945.51/x
  3. Step 3: Cross multiply
    1,227,859.12x = 1,843,045.53 × 1,013,945.51
  4. Step 4: Simplify right side
    1,227,859.12x = 1,868,747,739,869.07
  5. Step 5: Solve for x
    x = 1,868,747,739,869.07/1,227,859.12
  6. Step 6: Final answer
    x = 1,521,956.15

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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.