Home / 1,409,296.32-2,109,065.04-869,330.88

Finding the Fourth Proportional to 1,409,296.32, 2,109,065.04 and 869,330.88

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Solution

The fourth proportional to 1,409,296.32, 2,109,065.04 and 869,330.88 is: 1,300,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,296.32 : 2,109,065.04 = 869,330.88 : x
  2. Step 2: Convert to fraction form
    1,409,296.32/2,109,065.04 = 869,330.88/x
  3. Step 3: Cross multiply
    1,409,296.32x = 2,109,065.04 × 869,330.88
  4. Step 4: Simplify right side
    1,409,296.32x = 1,833,475,367,200.44
  5. Step 5: Solve for x
    x = 1,833,475,367,200.44/1,409,296.32
  6. Step 6: Final answer
    x = 1,300,986.42

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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.