Home / 1,092,605.80-1,638,131.10-418,426.60

Finding the Fourth Proportional to 1,092,605.80, 1,638,131.10 and 418,426.60

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Solution

The fourth proportional to 1,092,605.80, 1,638,131.10 and 418,426.60 is: 627,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,605.80 : 1,638,131.10 = 418,426.60 : x
  2. Step 2: Convert to fraction form
    1,092,605.80/1,638,131.10 = 418,426.60/x
  3. Step 3: Cross multiply
    1,092,605.80x = 1,638,131.10 × 418,426.60
  4. Step 4: Simplify right side
    1,092,605.80x = 685,437,626,527.26
  5. Step 5: Solve for x
    x = 685,437,626,527.26/1,092,605.80
  6. Step 6: Final answer
    x = 627,342.11

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1.5x scale

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.