Home / 1,117,112.48-1,675,416.24-318,376.88

Finding the Fourth Proportional to 1,117,112.48, 1,675,416.24 and 318,376.88

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Solution

The fourth proportional to 1,117,112.48, 1,675,416.24 and 318,376.88 is: 477,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,112.48 : 1,675,416.24 = 318,376.88 : x
  2. Step 2: Convert to fraction form
    1,117,112.48/1,675,416.24 = 318,376.88/x
  3. Step 3: Cross multiply
    1,117,112.48x = 1,675,416.24 × 318,376.88
  4. Step 4: Simplify right side
    1,117,112.48x = 533,413,795,192.53
  5. Step 5: Solve for x
    x = 533,413,795,192.53/1,117,112.48
  6. Step 6: Final answer
    x = 477,493.36

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Double scale
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1.5x scale

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.