Home / 1,294,173.80-1,941,260.70-821,781.80

Finding the Fourth Proportional to 1,294,173.80, 1,941,260.70 and 821,781.80

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Solution

The fourth proportional to 1,294,173.80, 1,941,260.70 and 821,781.80 is: 1,232,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,173.80 : 1,941,260.70 = 821,781.80 : x
  2. Step 2: Convert to fraction form
    1,294,173.80/1,941,260.70 = 821,781.80/x
  3. Step 3: Cross multiply
    1,294,173.80x = 1,941,260.70 × 821,781.80
  4. Step 4: Simplify right side
    1,294,173.80x = 1,595,292,712,315.26
  5. Step 5: Solve for x
    x = 1,595,292,712,315.26/1,294,173.80
  6. Step 6: Final answer
    x = 1,232,672.70

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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.