Home / 1,267,321.66-1,748,317.65-1,122,275.26

Finding the Fourth Proportional to 1,267,321.66, 1,748,317.65 and 1,122,275.26

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Solution

The fourth proportional to 1,267,321.66, 1,748,317.65 and 1,122,275.26 is: 1,548,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,321.66 : 1,748,317.65 = 1,122,275.26 : x
  2. Step 2: Convert to fraction form
    1,267,321.66/1,748,317.65 = 1,122,275.26/x
  3. Step 3: Cross multiply
    1,267,321.66x = 1,748,317.65 × 1,122,275.26
  4. Step 4: Simplify right side
    1,267,321.66x = 1,962,093,643,193.20
  5. Step 5: Solve for x
    x = 1,962,093,643,193.20/1,267,321.66
  6. Step 6: Final answer
    x = 1,548,220.72

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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.