Home / 1,300,611.60-1,950,917.40-501,919.20

Finding the Fourth Proportional to 1,300,611.60, 1,950,917.40 and 501,919.20

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Solution

The fourth proportional to 1,300,611.60, 1,950,917.40 and 501,919.20 is: 752,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,611.60 : 1,950,917.40 = 501,919.20 : x
  2. Step 2: Convert to fraction form
    1,300,611.60/1,950,917.40 = 501,919.20/x
  3. Step 3: Cross multiply
    1,300,611.60x = 1,950,917.40 × 501,919.20
  4. Step 4: Simplify right side
    1,300,611.60x = 979,202,900,674.08
  5. Step 5: Solve for x
    x = 979,202,900,674.08/1,300,611.60
  6. Step 6: Final answer
    x = 752,878.80

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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.