Home / 1,275,156.12-1,759,270.32-723,806.13

Finding the Fourth Proportional to 1,275,156.12, 1,759,270.32 and 723,806.13

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Solution

The fourth proportional to 1,275,156.12, 1,759,270.32 and 723,806.13 is: 998,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,156.12 : 1,759,270.32 = 723,806.13 : x
  2. Step 2: Convert to fraction form
    1,275,156.12/1,759,270.32 = 723,806.13/x
  3. Step 3: Cross multiply
    1,275,156.12x = 1,759,270.32 × 723,806.13
  4. Step 4: Simplify right side
    1,275,156.12x = 1,273,370,641,943.06
  5. Step 5: Solve for x
    x = 1,273,370,641,943.06/1,275,156.12
  6. Step 6: Final answer
    x = 998,599.80

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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.