Home / 1,300,935.29-1,795,203.98-720,119.12

Finding the Fourth Proportional to 1,300,935.29, 1,795,203.98 and 720,119.12

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Solution

The fourth proportional to 1,300,935.29, 1,795,203.98 and 720,119.12 is: 993,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,935.29 : 1,795,203.98 = 720,119.12 : x
  2. Step 2: Convert to fraction form
    1,300,935.29/1,795,203.98 = 720,119.12/x
  3. Step 3: Cross multiply
    1,300,935.29x = 1,795,203.98 × 720,119.12
  4. Step 4: Simplify right side
    1,300,935.29x = 1,292,760,700,421.93
  5. Step 5: Solve for x
    x = 1,292,760,700,421.93/1,300,935.29
  6. Step 6: Final answer
    x = 993,716.38

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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.