Home / 1,203,895.37-1,661,331.51-660,019.20

Finding the Fourth Proportional to 1,203,895.37, 1,661,331.51 and 660,019.20

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Solution

The fourth proportional to 1,203,895.37, 1,661,331.51 and 660,019.20 is: 910,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,895.37 : 1,661,331.51 = 660,019.20 : x
  2. Step 2: Convert to fraction form
    1,203,895.37/1,661,331.51 = 660,019.20/x
  3. Step 3: Cross multiply
    1,203,895.37x = 1,661,331.51 × 660,019.20
  4. Step 4: Simplify right side
    1,203,895.37x = 1,096,510,694,164.99
  5. Step 5: Solve for x
    x = 1,096,510,694,164.99/1,203,895.37
  6. Step 6: Final answer
    x = 910,802.32

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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.