Home / 1,325,131.40-1,987,697.10-483,710.60

Finding the Fourth Proportional to 1,325,131.40, 1,987,697.10 and 483,710.60

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Solution

The fourth proportional to 1,325,131.40, 1,987,697.10 and 483,710.60 is: 725,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,131.40 : 1,987,697.10 = 483,710.60 : x
  2. Step 2: Convert to fraction form
    1,325,131.40/1,987,697.10 = 483,710.60/x
  3. Step 3: Cross multiply
    1,325,131.40x = 1,987,697.10 × 483,710.60
  4. Step 4: Simplify right side
    1,325,131.40x = 961,470,156,859.26
  5. Step 5: Solve for x
    x = 961,470,156,859.26/1,325,131.40
  6. Step 6: Final answer
    x = 725,565.90

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Double scale
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Similar ratio
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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.