Home / 1,332,236.96-1,838,501.52-728,612

Finding the Fourth Proportional to 1,332,236.96, 1,838,501.52 and 728,612

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Solution

The fourth proportional to 1,332,236.96, 1,838,501.52 and 728,612 is: 1,005,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,236.96 : 1,838,501.52 = 728,612 : x
  2. Step 2: Convert to fraction form
    1,332,236.96/1,838,501.52 = 728,612/x
  3. Step 3: Cross multiply
    1,332,236.96x = 1,838,501.52 × 728,612
  4. Step 4: Simplify right side
    1,332,236.96x = 1,339,554,269,490.24
  5. Step 5: Solve for x
    x = 1,339,554,269,490.24/1,332,236.96
  6. Step 6: Final answer
    x = 1,005,492.50

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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.