Home / 1,143,570.16-1,713,190.08-763,344.40

Finding the Fourth Proportional to 1,143,570.16, 1,713,190.08 and 763,344.40

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Solution

The fourth proportional to 1,143,570.16, 1,713,190.08 and 763,344.40 is: 1,143,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,570.16 : 1,713,190.08 = 763,344.40 : x
  2. Step 2: Convert to fraction form
    1,143,570.16/1,713,190.08 = 763,344.40/x
  3. Step 3: Cross multiply
    1,143,570.16x = 1,713,190.08 × 763,344.40
  4. Step 4: Simplify right side
    1,143,570.16x = 1,307,754,053,703.55
  5. Step 5: Solve for x
    x = 1,307,754,053,703.55/1,143,570.16
  6. Step 6: Final answer
    x = 1,143,571.33

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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.