Home / 1,383,577.65-1,909,254.92-802,755.79

Finding the Fourth Proportional to 1,383,577.65, 1,909,254.92 and 802,755.79

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Solution

The fourth proportional to 1,383,577.65, 1,909,254.92 and 802,755.79 is: 1,107,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,577.65 : 1,909,254.92 = 802,755.79 : x
  2. Step 2: Convert to fraction form
    1,383,577.65/1,909,254.92 = 802,755.79/x
  3. Step 3: Cross multiply
    1,383,577.65x = 1,909,254.92 × 802,755.79
  4. Step 4: Simplify right side
    1,383,577.65x = 1,532,665,432,829.07
  5. Step 5: Solve for x
    x = 1,532,665,432,829.07/1,383,577.65
  6. Step 6: Final answer
    x = 1,107,755.27

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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.