Home / 1,108,282.47-1,662,719.75-398,316.66

Finding the Fourth Proportional to 1,108,282.47, 1,662,719.75 and 398,316.66

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Solution

The fourth proportional to 1,108,282.47, 1,662,719.75 and 398,316.66 is: 597,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,282.47 : 1,662,719.75 = 398,316.66 : x
  2. Step 2: Convert to fraction form
    1,108,282.47/1,662,719.75 = 398,316.66/x
  3. Step 3: Cross multiply
    1,108,282.47x = 1,662,719.75 × 398,316.66
  4. Step 4: Simplify right side
    1,108,282.47x = 662,288,977,336.04
  5. Step 5: Solve for x
    x = 662,288,977,336.04/1,108,282.47
  6. Step 6: Final answer
    x = 597,581.39

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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.