Home / 1,314,350.48-1,812,968.52-861,670.64

Finding the Fourth Proportional to 1,314,350.48, 1,812,968.52 and 861,670.64

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Solution

The fourth proportional to 1,314,350.48, 1,812,968.52 and 861,670.64 is: 1,188,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,350.48 : 1,812,968.52 = 861,670.64 : x
  2. Step 2: Convert to fraction form
    1,314,350.48/1,812,968.52 = 861,670.64/x
  3. Step 3: Cross multiply
    1,314,350.48x = 1,812,968.52 × 861,670.64
  4. Step 4: Simplify right side
    1,314,350.48x = 1,562,181,744,928.25
  5. Step 5: Solve for x
    x = 1,562,181,744,928.25/1,314,350.48
  6. Step 6: Final answer
    x = 1,188,557.97

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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.