Home / 1,715,144.57-2,366,586.54-989,727.60

Finding the Fourth Proportional to 1,715,144.57, 2,366,586.54 and 989,727.60

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Solution

The fourth proportional to 1,715,144.57, 2,366,586.54 and 989,727.60 is: 1,365,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,144.57 : 2,366,586.54 = 989,727.60 : x
  2. Step 2: Convert to fraction form
    1,715,144.57/2,366,586.54 = 989,727.60/x
  3. Step 3: Cross multiply
    1,715,144.57x = 2,366,586.54 × 989,727.60
  4. Step 4: Simplify right side
    1,715,144.57x = 2,342,276,016,426.50
  5. Step 5: Solve for x
    x = 2,342,276,016,426.50/1,715,144.57
  6. Step 6: Final answer
    x = 1,365,643.49

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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.