Home / 1,229,816.30-1,845,502.05-724,376.30

Finding the Fourth Proportional to 1,229,816.30, 1,845,502.05 and 724,376.30

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Solution

The fourth proportional to 1,229,816.30, 1,845,502.05 and 724,376.30 is: 1,087,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,816.30 : 1,845,502.05 = 724,376.30 : x
  2. Step 2: Convert to fraction form
    1,229,816.30/1,845,502.05 = 724,376.30/x
  3. Step 3: Cross multiply
    1,229,816.30x = 1,845,502.05 × 724,376.30
  4. Step 4: Simplify right side
    1,229,816.30x = 1,336,837,946,621.42
  5. Step 5: Solve for x
    x = 1,336,837,946,621.42/1,229,816.30
  6. Step 6: Final answer
    x = 1,087,022.47

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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.