Home / 1,383,585.90-1,909,266.30-802,764.06

Finding the Fourth Proportional to 1,383,585.90, 1,909,266.30 and 802,764.06

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Solution

The fourth proportional to 1,383,585.90, 1,909,266.30 and 802,764.06 is: 1,107,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,585.90 : 1,909,266.30 = 802,764.06 : x
  2. Step 2: Convert to fraction form
    1,383,585.90/1,909,266.30 = 802,764.06/x
  3. Step 3: Cross multiply
    1,383,585.90x = 1,909,266.30 × 802,764.06
  4. Step 4: Simplify right side
    1,383,585.90x = 1,532,690,366,609.18
  5. Step 5: Solve for x
    x = 1,532,690,366,609.18/1,383,585.90
  6. Step 6: Final answer
    x = 1,107,766.69

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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.