Home / 1,409,299.32-2,109,069.54-869,333.88

Finding the Fourth Proportional to 1,409,299.32, 2,109,069.54 and 869,333.88

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Solution

The fourth proportional to 1,409,299.32, 2,109,069.54 and 869,333.88 is: 1,300,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,299.32 : 2,109,069.54 = 869,333.88 : x
  2. Step 2: Convert to fraction form
    1,409,299.32/2,109,069.54 = 869,333.88/x
  3. Step 3: Cross multiply
    1,409,299.32x = 2,109,069.54 × 869,333.88
  4. Step 4: Simplify right side
    1,409,299.32x = 1,833,485,606,398.02
  5. Step 5: Solve for x
    x = 1,833,485,606,398.02/1,409,299.32
  6. Step 6: Final answer
    x = 1,300,990.91

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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.