Home / 1,501,743.70-2,072,458.02-822,680.20

Finding the Fourth Proportional to 1,501,743.70, 2,072,458.02 and 822,680.20

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Solution

The fourth proportional to 1,501,743.70, 2,072,458.02 and 822,680.20 is: 1,135,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,743.70 : 2,072,458.02 = 822,680.20 : x
  2. Step 2: Convert to fraction form
    1,501,743.70/2,072,458.02 = 822,680.20/x
  3. Step 3: Cross multiply
    1,501,743.70x = 2,072,458.02 × 822,680.20
  4. Step 4: Simplify right side
    1,501,743.70x = 1,704,970,178,385.20
  5. Step 5: Solve for x
    x = 1,704,970,178,385.20/1,501,743.70
  6. Step 6: Final answer
    x = 1,135,327.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.