Home / 1,332,304.20-1,838,606.64-728,731.08

Finding the Fourth Proportional to 1,332,304.20, 1,838,606.64 and 728,731.08

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Solution

The fourth proportional to 1,332,304.20, 1,838,606.64 and 728,731.08 is: 1,005,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,304.20 : 1,838,606.64 = 728,731.08 : x
  2. Step 2: Convert to fraction form
    1,332,304.20/1,838,606.64 = 728,731.08/x
  3. Step 3: Cross multiply
    1,332,304.20x = 1,838,606.64 × 728,731.08
  4. Step 4: Simplify right side
    1,332,304.20x = 1,339,849,802,462.37
  5. Step 5: Solve for x
    x = 1,339,849,802,462.37/1,332,304.20
  6. Step 6: Final answer
    x = 1,005,663.57

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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.