Home / 1,029,805.40-1,544,823.30-319,827.80

Finding the Fourth Proportional to 1,029,805.40, 1,544,823.30 and 319,827.80

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Solution

The fourth proportional to 1,029,805.40, 1,544,823.30 and 319,827.80 is: 479,777.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,805.40 : 1,544,823.30 = 319,827.80 : x
  2. Step 2: Convert to fraction form
    1,029,805.40/1,544,823.30 = 319,827.80/x
  3. Step 3: Cross multiply
    1,029,805.40x = 1,544,823.30 × 319,827.80
  4. Step 4: Simplify right side
    1,029,805.40x = 494,077,437,427.74
  5. Step 5: Solve for x
    x = 494,077,437,427.74/1,029,805.40
  6. Step 6: Final answer
    x = 479,777.48

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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.