Home / 1,010,779.25-1,394,894.78-551,912.01

Finding the Fourth Proportional to 1,010,779.25, 1,394,894.78 and 551,912.01

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Solution

The fourth proportional to 1,010,779.25, 1,394,894.78 and 551,912.01 is: 761,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,779.25 : 1,394,894.78 = 551,912.01 : x
  2. Step 2: Convert to fraction form
    1,010,779.25/1,394,894.78 = 551,912.01/x
  3. Step 3: Cross multiply
    1,010,779.25x = 1,394,894.78 × 551,912.01
  4. Step 4: Simplify right side
    1,010,779.25x = 769,859,179,008.75
  5. Step 5: Solve for x
    x = 769,859,179,008.75/1,010,779.25
  6. Step 6: Final answer
    x = 761,649.18

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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.