Home / 1,020,876.06-1,532,261.40-515,791.80

Finding the Fourth Proportional to 1,020,876.06, 1,532,261.40 and 515,791.80

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Solution

The fourth proportional to 1,020,876.06, 1,532,261.40 and 515,791.80 is: 774,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,876.06 : 1,532,261.40 = 515,791.80 : x
  2. Step 2: Convert to fraction form
    1,020,876.06/1,532,261.40 = 515,791.80/x
  3. Step 3: Cross multiply
    1,020,876.06x = 1,532,261.40 × 515,791.80
  4. Step 4: Simplify right side
    1,020,876.06x = 790,327,865,576.52
  5. Step 5: Solve for x
    x = 790,327,865,576.52/1,020,876.06
  6. Step 6: Final answer
    x = 774,166.32

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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.