Home / 1,190,416.08-1,642,778.89-646,560.95

Finding the Fourth Proportional to 1,190,416.08, 1,642,778.89 and 646,560.95

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Solution

The fourth proportional to 1,190,416.08, 1,642,778.89 and 646,560.95 is: 892,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,416.08 : 1,642,778.89 = 646,560.95 : x
  2. Step 2: Convert to fraction form
    1,190,416.08/1,642,778.89 = 646,560.95/x
  3. Step 3: Cross multiply
    1,190,416.08x = 1,642,778.89 × 646,560.95
  4. Step 4: Simplify right side
    1,190,416.08x = 1,062,156,679,168.68
  5. Step 5: Solve for x
    x = 1,062,156,679,168.68/1,190,416.08
  6. Step 6: Final answer
    x = 892,256.66

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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.