Home / 1,138,513.68-1,708,050.69-802,211.13

Finding the Fourth Proportional to 1,138,513.68, 1,708,050.69 and 802,211.13

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Solution

The fourth proportional to 1,138,513.68, 1,708,050.69 and 802,211.13 is: 1,203,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,513.68 : 1,708,050.69 = 802,211.13 : x
  2. Step 2: Convert to fraction form
    1,138,513.68/1,708,050.69 = 802,211.13/x
  3. Step 3: Cross multiply
    1,138,513.68x = 1,708,050.69 × 802,211.13
  4. Step 4: Simplify right side
    1,138,513.68x = 1,370,217,274,122.18
  5. Step 5: Solve for x
    x = 1,370,217,274,122.18/1,138,513.68
  6. Step 6: Final answer
    x = 1,203,514.11

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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.