Home / 1,100,841.44-1,651,426.31-390,810.02

Finding the Fourth Proportional to 1,100,841.44, 1,651,426.31 and 390,810.02

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Solution

The fourth proportional to 1,100,841.44, 1,651,426.31 and 390,810.02 is: 586,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,841.44 : 1,651,426.31 = 390,810.02 : x
  2. Step 2: Convert to fraction form
    1,100,841.44/1,651,426.31 = 390,810.02/x
  3. Step 3: Cross multiply
    1,100,841.44x = 1,651,426.31 × 390,810.02
  4. Step 4: Simplify right side
    1,100,841.44x = 645,393,941,959.52
  5. Step 5: Solve for x
    x = 645,393,941,959.52/1,100,841.44
  6. Step 6: Final answer
    x = 586,273.30

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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.