Home / 1,667,090.66-2,300,572.40-903,138.75

Finding the Fourth Proportional to 1,667,090.66, 2,300,572.40 and 903,138.75

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Solution

The fourth proportional to 1,667,090.66, 2,300,572.40 and 903,138.75 is: 1,246,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,090.66 : 2,300,572.40 = 903,138.75 : x
  2. Step 2: Convert to fraction form
    1,667,090.66/2,300,572.40 = 903,138.75/x
  3. Step 3: Cross multiply
    1,667,090.66x = 2,300,572.40 × 903,138.75
  4. Step 4: Simplify right side
    1,667,090.66x = 2,077,736,077,104.81
  5. Step 5: Solve for x
    x = 2,077,736,077,104.81/1,667,090.66
  6. Step 6: Final answer
    x = 1,246,324.59

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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.