Home / 1,500,964.20-2,071,327.14-821,894.76

Finding the Fourth Proportional to 1,500,964.20, 2,071,327.14 and 821,894.76

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Solution

The fourth proportional to 1,500,964.20, 2,071,327.14 and 821,894.76 is: 1,134,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,964.20 : 2,071,327.14 = 821,894.76 : x
  2. Step 2: Convert to fraction form
    1,500,964.20/2,071,327.14 = 821,894.76/x
  3. Step 3: Cross multiply
    1,500,964.20x = 2,071,327.14 × 821,894.76
  4. Step 4: Simplify right side
    1,500,964.20x = 1,702,412,922,611.79
  5. Step 5: Solve for x
    x = 1,702,412,922,611.79/1,500,964.20
  6. Step 6: Final answer
    x = 1,134,212.88

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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.