Home / 1,053,782.40-1,576,987.20-965,308.80

Finding the Fourth Proportional to 1,053,782.40, 1,576,987.20 and 965,308.80

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Solution

The fourth proportional to 1,053,782.40, 1,576,987.20 and 965,308.80 is: 1,444,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,782.40 : 1,576,987.20 = 965,308.80 : x
  2. Step 2: Convert to fraction form
    1,053,782.40/1,576,987.20 = 965,308.80/x
  3. Step 3: Cross multiply
    1,053,782.40x = 1,576,987.20 × 965,308.80
  4. Step 4: Simplify right side
    1,053,782.40x = 1,522,279,621,647.36
  5. Step 5: Solve for x
    x = 1,522,279,621,647.36/1,053,782.40
  6. Step 6: Final answer
    x = 1,444,586.30

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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.