Home / 1,252,243.68-1,878,515.19-442,460.49

Finding the Fourth Proportional to 1,252,243.68, 1,878,515.19 and 442,460.49

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Solution

The fourth proportional to 1,252,243.68, 1,878,515.19 and 442,460.49 is: 663,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,243.68 : 1,878,515.19 = 442,460.49 : x
  2. Step 2: Convert to fraction form
    1,252,243.68/1,878,515.19 = 442,460.49/x
  3. Step 3: Cross multiply
    1,252,243.68x = 1,878,515.19 × 442,460.49
  4. Step 4: Simplify right side
    1,252,243.68x = 831,168,751,439.84
  5. Step 5: Solve for x
    x = 831,168,751,439.84/1,252,243.68
  6. Step 6: Final answer
    x = 663,743.62

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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.