Home / 1,186,244.44-1,637,416.56-721,096.72

Finding the Fourth Proportional to 1,186,244.44, 1,637,416.56 and 721,096.72

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Solution

The fourth proportional to 1,186,244.44, 1,637,416.56 and 721,096.72 is: 995,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,244.44 : 1,637,416.56 = 721,096.72 : x
  2. Step 2: Convert to fraction form
    1,186,244.44/1,637,416.56 = 721,096.72/x
  3. Step 3: Cross multiply
    1,186,244.44x = 1,637,416.56 × 721,096.72
  4. Step 4: Simplify right side
    1,186,244.44x = 1,180,735,710,689.68
  5. Step 5: Solve for x
    x = 1,180,735,710,689.68/1,186,244.44
  6. Step 6: Final answer
    x = 995,356.16

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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.