Home / 1,267,788.51-1,901,682.77-768,102.75

Finding the Fourth Proportional to 1,267,788.51, 1,901,682.77 and 768,102.75

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Solution

The fourth proportional to 1,267,788.51, 1,901,682.77 and 768,102.75 is: 1,152,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,788.51 : 1,901,682.77 = 768,102.75 : x
  2. Step 2: Convert to fraction form
    1,267,788.51/1,901,682.77 = 768,102.75/x
  3. Step 3: Cross multiply
    1,267,788.51x = 1,901,682.77 × 768,102.75
  4. Step 4: Simplify right side
    1,267,788.51x = 1,460,687,761,424.10
  5. Step 5: Solve for x
    x = 1,460,687,761,424.10/1,267,788.51
  6. Step 6: Final answer
    x = 1,152,154.13

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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.