Home / 1,293,990.28-1,785,682.67-705,294.79

Finding the Fourth Proportional to 1,293,990.28, 1,785,682.67 and 705,294.79

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Solution

The fourth proportional to 1,293,990.28, 1,785,682.67 and 705,294.79 is: 973,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,990.28 : 1,785,682.67 = 705,294.79 : x
  2. Step 2: Convert to fraction form
    1,293,990.28/1,785,682.67 = 705,294.79/x
  3. Step 3: Cross multiply
    1,293,990.28x = 1,785,682.67 × 705,294.79
  4. Step 4: Simplify right side
    1,293,990.28x = 1,259,432,675,753.61
  5. Step 5: Solve for x
    x = 1,259,432,675,753.61/1,293,990.28
  6. Step 6: Final answer
    x = 973,293.77

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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.