Home / 1,284,008.40-1,926,012.60-654,152.40

Finding the Fourth Proportional to 1,284,008.40, 1,926,012.60 and 654,152.40

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Solution

The fourth proportional to 1,284,008.40, 1,926,012.60 and 654,152.40 is: 981,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,008.40 : 1,926,012.60 = 654,152.40 : x
  2. Step 2: Convert to fraction form
    1,284,008.40/1,926,012.60 = 654,152.40/x
  3. Step 3: Cross multiply
    1,284,008.40x = 1,926,012.60 × 654,152.40
  4. Step 4: Simplify right side
    1,284,008.40x = 1,259,905,764,720.24
  5. Step 5: Solve for x
    x = 1,259,905,764,720.24/1,284,008.40
  6. Step 6: Final answer
    x = 981,228.60

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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.