Home / 1,338,319.72-2,003,280.54-705,314.44

Finding the Fourth Proportional to 1,338,319.72, 2,003,280.54 and 705,314.44

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Solution

The fourth proportional to 1,338,319.72, 2,003,280.54 and 705,314.44 is: 1,055,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,319.72 : 2,003,280.54 = 705,314.44 : x
  2. Step 2: Convert to fraction form
    1,338,319.72/2,003,280.54 = 705,314.44/x
  3. Step 3: Cross multiply
    1,338,319.72x = 2,003,280.54 × 705,314.44
  4. Step 4: Simplify right side
    1,338,319.72x = 1,412,942,692,233.00
  5. Step 5: Solve for x
    x = 1,412,942,692,233.00/1,338,319.72
  6. Step 6: Final answer
    x = 1,055,758.70

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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.