Home / 1,370,640.33-1,891,681.58-789,752.19

Finding the Fourth Proportional to 1,370,640.33, 1,891,681.58 and 789,752.19

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Solution

The fourth proportional to 1,370,640.33, 1,891,681.58 and 789,752.19 is: 1,089,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,640.33 : 1,891,681.58 = 789,752.19 : x
  2. Step 2: Convert to fraction form
    1,370,640.33/1,891,681.58 = 789,752.19/x
  3. Step 3: Cross multiply
    1,370,640.33x = 1,891,681.58 × 789,752.19
  4. Step 4: Simplify right side
    1,370,640.33x = 1,493,959,666,638.90
  5. Step 5: Solve for x
    x = 1,493,959,666,638.90/1,370,640.33
  6. Step 6: Final answer
    x = 1,089,972.06

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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.