Home / 1,218,055.17-1,680,873.24-674,192.01

Finding the Fourth Proportional to 1,218,055.17, 1,680,873.24 and 674,192.01

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Solution

The fourth proportional to 1,218,055.17, 1,680,873.24 and 674,192.01 is: 930,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,055.17 : 1,680,873.24 = 674,192.01 : x
  2. Step 2: Convert to fraction form
    1,218,055.17/1,680,873.24 = 674,192.01/x
  3. Step 3: Cross multiply
    1,218,055.17x = 1,680,873.24 × 674,192.01
  4. Step 4: Simplify right side
    1,218,055.17x = 1,133,231,308,230.81
  5. Step 5: Solve for x
    x = 1,133,231,308,230.81/1,218,055.17
  6. Step 6: Final answer
    x = 930,361.23

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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.