Home / 1,190,930.88-1,788,694.02-1,020,538.83

Finding the Fourth Proportional to 1,190,930.88, 1,788,694.02 and 1,020,538.83

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Solution

The fourth proportional to 1,190,930.88, 1,788,694.02 and 1,020,538.83 is: 1,532,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,930.88 : 1,788,694.02 = 1,020,538.83 : x
  2. Step 2: Convert to fraction form
    1,190,930.88/1,788,694.02 = 1,020,538.83/x
  3. Step 3: Cross multiply
    1,190,930.88x = 1,788,694.02 × 1,020,538.83
  4. Step 4: Simplify right side
    1,190,930.88x = 1,825,431,702,398.80
  5. Step 5: Solve for x
    x = 1,825,431,702,398.80/1,190,930.88
  6. Step 6: Final answer
    x = 1,532,777.20

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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.