Home / 1,144,407.60-1,716,611.40-640,522.80

Finding the Fourth Proportional to 1,144,407.60, 1,716,611.40 and 640,522.80

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Solution

The fourth proportional to 1,144,407.60, 1,716,611.40 and 640,522.80 is: 960,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,407.60 : 1,716,611.40 = 640,522.80 : x
  2. Step 2: Convert to fraction form
    1,144,407.60/1,716,611.40 = 640,522.80/x
  3. Step 3: Cross multiply
    1,144,407.60x = 1,716,611.40 × 640,522.80
  4. Step 4: Simplify right side
    1,144,407.60x = 1,099,528,740,439.92
  5. Step 5: Solve for x
    x = 1,099,528,740,439.92/1,144,407.60
  6. Step 6: Final answer
    x = 960,784.20

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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.