Home / 1,501,693.68-2,072,389.02-822,630.18

Finding the Fourth Proportional to 1,501,693.68, 2,072,389.02 and 822,630.18

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Solution

The fourth proportional to 1,501,693.68, 2,072,389.02 and 822,630.18 is: 1,135,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,693.68 : 2,072,389.02 = 822,630.18 : x
  2. Step 2: Convert to fraction form
    1,501,693.68/2,072,389.02 = 822,630.18/x
  3. Step 3: Cross multiply
    1,501,693.68x = 2,072,389.02 × 822,630.18
  4. Step 4: Simplify right side
    1,501,693.68x = 1,704,809,752,552.62
  5. Step 5: Solve for x
    x = 1,704,809,752,552.62/1,501,693.68
  6. Step 6: Final answer
    x = 1,135,257.99

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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.