Home / 1,143,986.75-1,714,960.43-434,513.02

Finding the Fourth Proportional to 1,143,986.75, 1,714,960.43 and 434,513.02

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Solution

The fourth proportional to 1,143,986.75, 1,714,960.43 and 434,513.02 is: 651,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,986.75 : 1,714,960.43 = 434,513.02 : x
  2. Step 2: Convert to fraction form
    1,143,986.75/1,714,960.43 = 434,513.02/x
  3. Step 3: Cross multiply
    1,143,986.75x = 1,714,960.43 × 434,513.02
  4. Step 4: Simplify right side
    1,143,986.75x = 745,172,627,045.00
  5. Step 5: Solve for x
    x = 745,172,627,045.00/1,143,986.75
  6. Step 6: Final answer
    x = 651,382.22

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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.