Home / 1,267,111.20-1,748,613.36-757,813.56

Finding the Fourth Proportional to 1,267,111.20, 1,748,613.36 and 757,813.56

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Solution

The fourth proportional to 1,267,111.20, 1,748,613.36 and 757,813.56 is: 1,045,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,111.20 : 1,748,613.36 = 757,813.56 : x
  2. Step 2: Convert to fraction form
    1,267,111.20/1,748,613.36 = 757,813.56/x
  3. Step 3: Cross multiply
    1,267,111.20x = 1,748,613.36 × 757,813.56
  4. Step 4: Simplify right side
    1,267,111.20x = 1,325,122,915,405.16
  5. Step 5: Solve for x
    x = 1,325,122,915,405.16/1,267,111.20
  6. Step 6: Final answer
    x = 1,045,782.66

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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.