Home / 1,779,843.60-2,668,586.20-981,507.60

Finding the Fourth Proportional to 1,779,843.60, 2,668,586.20 and 981,507.60

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Solution

The fourth proportional to 1,779,843.60, 2,668,586.20 and 981,507.60 is: 1,471,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,843.60 : 2,668,586.20 = 981,507.60 : x
  2. Step 2: Convert to fraction form
    1,779,843.60/2,668,586.20 = 981,507.60/x
  3. Step 3: Cross multiply
    1,779,843.60x = 2,668,586.20 × 981,507.60
  4. Step 4: Simplify right side
    1,779,843.60x = 2,619,237,636,555.12
  5. Step 5: Solve for x
    x = 2,619,237,636,555.12/1,779,843.60
  6. Step 6: Final answer
    x = 1,471,611.12

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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.