Home / 1,074,869.31-1,612,250.83-400,898.11

Finding the Fourth Proportional to 1,074,869.31, 1,612,250.83 and 400,898.11

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Solution

The fourth proportional to 1,074,869.31, 1,612,250.83 and 400,898.11 is: 601,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,869.31 : 1,612,250.83 = 400,898.11 : x
  2. Step 2: Convert to fraction form
    1,074,869.31/1,612,250.83 = 400,898.11/x
  3. Step 3: Cross multiply
    1,074,869.31x = 1,612,250.83 × 400,898.11
  4. Step 4: Simplify right side
    1,074,869.31x = 646,348,302,531.68
  5. Step 5: Solve for x
    x = 646,348,302,531.68/1,074,869.31
  6. Step 6: Final answer
    x = 601,327.34

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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.