Home / 1,579,298.61-2,179,432.07-854,146.31

Finding the Fourth Proportional to 1,579,298.61, 2,179,432.07 and 854,146.31

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Solution

The fourth proportional to 1,579,298.61, 2,179,432.07 and 854,146.31 is: 1,178,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,298.61 : 2,179,432.07 = 854,146.31 : x
  2. Step 2: Convert to fraction form
    1,579,298.61/2,179,432.07 = 854,146.31/x
  3. Step 3: Cross multiply
    1,579,298.61x = 2,179,432.07 × 854,146.31
  4. Step 4: Simplify right side
    1,579,298.61x = 1,861,553,863,182.91
  5. Step 5: Solve for x
    x = 1,861,553,863,182.91/1,579,298.61
  6. Step 6: Final answer
    x = 1,178,721.90

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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.