Home / 1,293,303.76-1,784,759.68-749,754.64

Finding the Fourth Proportional to 1,293,303.76, 1,784,759.68 and 749,754.64

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Solution

The fourth proportional to 1,293,303.76, 1,784,759.68 and 749,754.64 is: 1,034,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,303.76 : 1,784,759.68 = 749,754.64 : x
  2. Step 2: Convert to fraction form
    1,293,303.76/1,784,759.68 = 749,754.64/x
  3. Step 3: Cross multiply
    1,293,303.76x = 1,784,759.68 × 749,754.64
  4. Step 4: Simplify right side
    1,293,303.76x = 1,338,131,838,692.34
  5. Step 5: Solve for x
    x = 1,338,131,838,692.34/1,293,303.76
  6. Step 6: Final answer
    x = 1,034,661.68

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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.