Home / 1,241,339.40-1,862,930.70-493,921.80

Finding the Fourth Proportional to 1,241,339.40, 1,862,930.70 and 493,921.80

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Solution

The fourth proportional to 1,241,339.40, 1,862,930.70 and 493,921.80 is: 741,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,339.40 : 1,862,930.70 = 493,921.80 : x
  2. Step 2: Convert to fraction form
    1,241,339.40/1,862,930.70 = 493,921.80/x
  3. Step 3: Cross multiply
    1,241,339.40x = 1,862,930.70 × 493,921.80
  4. Step 4: Simplify right side
    1,241,339.40x = 920,142,084,619.26
  5. Step 5: Solve for x
    x = 920,142,084,619.26/1,241,339.40
  6. Step 6: Final answer
    x = 741,249.40

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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.