Home / 1,667,139.50-2,300,654.86-903,193.07

Finding the Fourth Proportional to 1,667,139.50, 2,300,654.86 and 903,193.07

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Solution

The fourth proportional to 1,667,139.50, 2,300,654.86 and 903,193.07 is: 1,246,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,139.50 : 2,300,654.86 = 903,193.07 : x
  2. Step 2: Convert to fraction form
    1,667,139.50/2,300,654.86 = 903,193.07/x
  3. Step 3: Cross multiply
    1,667,139.50x = 2,300,654.86 × 903,193.07
  4. Step 4: Simplify right side
    1,667,139.50x = 2,077,935,512,252.56
  5. Step 5: Solve for x
    x = 2,077,935,512,252.56/1,667,139.50
  6. Step 6: Final answer
    x = 1,246,407.70

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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.