Home / 1,197,428.74-1,796,430.15-398,717.51

Finding the Fourth Proportional to 1,197,428.74, 1,796,430.15 and 398,717.51

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Solution

The fourth proportional to 1,197,428.74, 1,796,430.15 and 398,717.51 is: 598,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,428.74 : 1,796,430.15 = 398,717.51 : x
  2. Step 2: Convert to fraction form
    1,197,428.74/1,796,430.15 = 398,717.51/x
  3. Step 3: Cross multiply
    1,197,428.74x = 1,796,430.15 × 398,717.51
  4. Step 4: Simplify right side
    1,197,428.74x = 716,268,147,314.78
  5. Step 5: Solve for x
    x = 716,268,147,314.78/1,197,428.74
  6. Step 6: Final answer
    x = 598,171.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.