Home / 1,385,761.20-2,077,086.60-586,906.80

Finding the Fourth Proportional to 1,385,761.20, 2,077,086.60 and 586,906.80

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Solution

The fourth proportional to 1,385,761.20, 2,077,086.60 and 586,906.80 is: 879,701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,761.20 : 2,077,086.60 = 586,906.80 : x
  2. Step 2: Convert to fraction form
    1,385,761.20/2,077,086.60 = 586,906.80/x
  3. Step 3: Cross multiply
    1,385,761.20x = 2,077,086.60 × 586,906.80
  4. Step 4: Simplify right side
    1,385,761.20x = 1,219,056,249,728.88
  5. Step 5: Solve for x
    x = 1,219,056,249,728.88/1,385,761.20
  6. Step 6: Final answer
    x = 879,701.53

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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.