Home / 1,270,848.75-1,753,718.74-690,049.18

Finding the Fourth Proportional to 1,270,848.75, 1,753,718.74 and 690,049.18

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Solution

The fourth proportional to 1,270,848.75, 1,753,718.74 and 690,049.18 is: 952,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,848.75 : 1,753,718.74 = 690,049.18 : x
  2. Step 2: Convert to fraction form
    1,270,848.75/1,753,718.74 = 690,049.18/x
  3. Step 3: Cross multiply
    1,270,848.75x = 1,753,718.74 × 690,049.18
  4. Step 4: Simplify right side
    1,270,848.75x = 1,210,152,178,487.63
  5. Step 5: Solve for x
    x = 1,210,152,178,487.63/1,270,848.75
  6. Step 6: Final answer
    x = 952,239.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.