Home / 1,602,865.72-2,207,494.38-1,238,948.92

Finding the Fourth Proportional to 1,602,865.72, 2,207,494.38 and 1,238,948.92

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Solution

The fourth proportional to 1,602,865.72, 2,207,494.38 and 1,238,948.92 is: 1,706,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,865.72 : 2,207,494.38 = 1,238,948.92 : x
  2. Step 2: Convert to fraction form
    1,602,865.72/2,207,494.38 = 1,238,948.92/x
  3. Step 3: Cross multiply
    1,602,865.72x = 2,207,494.38 × 1,238,948.92
  4. Step 4: Simplify right side
    1,602,865.72x = 2,734,972,778,007.07
  5. Step 5: Solve for x
    x = 2,734,972,778,007.07/1,602,865.72
  6. Step 6: Final answer
    x = 1,706,301.87

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1.5x scale

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.