Home / 971,078.02-1,449,426.37-911,241.70

Finding the Fourth Proportional to 971,078.02, 1,449,426.37 and 911,241.70

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Solution

The fourth proportional to 971,078.02, 1,449,426.37 and 911,241.70 is: 1,360,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,078.02 : 1,449,426.37 = 911,241.70 : x
  2. Step 2: Convert to fraction form
    971,078.02/1,449,426.37 = 911,241.70/x
  3. Step 3: Cross multiply
    971,078.02x = 1,449,426.37 × 911,241.70
  4. Step 4: Simplify right side
    971,078.02x = 1,320,777,749,423.63
  5. Step 5: Solve for x
    x = 1,320,777,749,423.63/971,078.02
  6. Step 6: Final answer
    x = 1,360,114.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.