Home / 1,079,664.80-1,619,497.20-911,703.20

Finding the Fourth Proportional to 1,079,664.80, 1,619,497.20 and 911,703.20

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Solution

The fourth proportional to 1,079,664.80, 1,619,497.20 and 911,703.20 is: 1,367,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,664.80 : 1,619,497.20 = 911,703.20 : x
  2. Step 2: Convert to fraction form
    1,079,664.80/1,619,497.20 = 911,703.20/x
  3. Step 3: Cross multiply
    1,079,664.80x = 1,619,497.20 × 911,703.20
  4. Step 4: Simplify right side
    1,079,664.80x = 1,476,500,779,631.04
  5. Step 5: Solve for x
    x = 1,476,500,779,631.04/1,079,664.80
  6. Step 6: Final answer
    x = 1,367,554.80

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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.