Home / 1,580,478.60-2,181,060.28-855,326.48

Finding the Fourth Proportional to 1,580,478.60, 2,181,060.28 and 855,326.48

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Solution

The fourth proportional to 1,580,478.60, 2,181,060.28 and 855,326.48 is: 1,180,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,478.60 : 2,181,060.28 = 855,326.48 : x
  2. Step 2: Convert to fraction form
    1,580,478.60/2,181,060.28 = 855,326.48/x
  3. Step 3: Cross multiply
    1,580,478.60x = 2,181,060.28 × 855,326.48
  4. Step 4: Simplify right side
    1,580,478.60x = 1,865,518,611,960.21
  5. Step 5: Solve for x
    x = 1,865,518,611,960.21/1,580,478.60
  6. Step 6: Final answer
    x = 1,180,350.44

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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.