Home / 1,270,979.37-1,906,484.76-372,439.53

Finding the Fourth Proportional to 1,270,979.37, 1,906,484.76 and 372,439.53

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Solution

The fourth proportional to 1,270,979.37, 1,906,484.76 and 372,439.53 is: 558,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,979.37 : 1,906,484.76 = 372,439.53 : x
  2. Step 2: Convert to fraction form
    1,270,979.37/1,906,484.76 = 372,439.53/x
  3. Step 3: Cross multiply
    1,270,979.37x = 1,906,484.76 × 372,439.53
  4. Step 4: Simplify right side
    1,270,979.37x = 710,050,287,966.56
  5. Step 5: Solve for x
    x = 710,050,287,966.56/1,270,979.37
  6. Step 6: Final answer
    x = 558,663.90

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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.