Home / 1,241,669.60-1,862,504.40-442,977.20

Finding the Fourth Proportional to 1,241,669.60, 1,862,504.40 and 442,977.20

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Solution

The fourth proportional to 1,241,669.60, 1,862,504.40 and 442,977.20 is: 664,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,669.60 : 1,862,504.40 = 442,977.20 : x
  2. Step 2: Convert to fraction form
    1,241,669.60/1,862,504.40 = 442,977.20/x
  3. Step 3: Cross multiply
    1,241,669.60x = 1,862,504.40 × 442,977.20
  4. Step 4: Simplify right side
    1,241,669.60x = 825,046,984,099.68
  5. Step 5: Solve for x
    x = 825,046,984,099.68/1,241,669.60
  6. Step 6: Final answer
    x = 664,465.80

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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.