Home / 1,373,206.82-1,894,650.04-821,700.55

Finding the Fourth Proportional to 1,373,206.82, 1,894,650.04 and 821,700.55

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Solution

The fourth proportional to 1,373,206.82, 1,894,650.04 and 821,700.55 is: 1,133,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,206.82 : 1,894,650.04 = 821,700.55 : x
  2. Step 2: Convert to fraction form
    1,373,206.82/1,894,650.04 = 821,700.55/x
  3. Step 3: Cross multiply
    1,373,206.82x = 1,894,650.04 × 821,700.55
  4. Step 4: Simplify right side
    1,373,206.82x = 1,556,834,983,320.96
  5. Step 5: Solve for x
    x = 1,556,834,983,320.96/1,373,206.82
  6. Step 6: Final answer
    x = 1,133,722.15

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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.