Home / 921,444.30-1,382,166.45-824,013.45

Finding the Fourth Proportional to 921,444.30, 1,382,166.45 and 824,013.45

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Solution

The fourth proportional to 921,444.30, 1,382,166.45 and 824,013.45 is: 1,236,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,444.30 : 1,382,166.45 = 824,013.45 : x
  2. Step 2: Convert to fraction form
    921,444.30/1,382,166.45 = 824,013.45/x
  3. Step 3: Cross multiply
    921,444.30x = 1,382,166.45 × 824,013.45
  4. Step 4: Simplify right side
    921,444.30x = 1,138,923,744,938.75
  5. Step 5: Solve for x
    x = 1,138,923,744,938.75/921,444.30
  6. Step 6: Final answer
    x = 1,236,020.18

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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.