Home / 1,769,722.23-2,442,424.02-1,005,890.61

Finding the Fourth Proportional to 1,769,722.23, 2,442,424.02 and 1,005,890.61

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Solution

The fourth proportional to 1,769,722.23, 2,442,424.02 and 1,005,890.61 is: 1,388,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,722.23 : 2,442,424.02 = 1,005,890.61 : x
  2. Step 2: Convert to fraction form
    1,769,722.23/2,442,424.02 = 1,005,890.61/x
  3. Step 3: Cross multiply
    1,769,722.23x = 2,442,424.02 × 1,005,890.61
  4. Step 4: Simplify right side
    1,769,722.23x = 2,456,811,387,356.45
  5. Step 5: Solve for x
    x = 2,456,811,387,356.45/1,769,722.23
  6. Step 6: Final answer
    x = 1,388,246.89

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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.