Home / 1,313,257.43-1,812,322.93-740,297.60

Finding the Fourth Proportional to 1,313,257.43, 1,812,322.93 and 740,297.60

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Solution

The fourth proportional to 1,313,257.43, 1,812,322.93 and 740,297.60 is: 1,021,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,257.43 : 1,812,322.93 = 740,297.60 : x
  2. Step 2: Convert to fraction form
    1,313,257.43/1,812,322.93 = 740,297.60/x
  3. Step 3: Cross multiply
    1,313,257.43x = 1,812,322.93 × 740,297.60
  4. Step 4: Simplify right side
    1,313,257.43x = 1,341,658,319,955.12
  5. Step 5: Solve for x
    x = 1,341,658,319,955.12/1,313,257.43
  6. Step 6: Final answer
    x = 1,021,626.29

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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.