Home / 971,919.60-1,453,213.80-719,977.20

Finding the Fourth Proportional to 971,919.60, 1,453,213.80 and 719,977.20

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Solution

The fourth proportional to 971,919.60, 1,453,213.80 and 719,977.20 is: 1,076,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,919.60 : 1,453,213.80 = 719,977.20 : x
  2. Step 2: Convert to fraction form
    971,919.60/1,453,213.80 = 719,977.20/x
  3. Step 3: Cross multiply
    971,919.60x = 1,453,213.80 × 719,977.20
  4. Step 4: Simplify right side
    971,919.60x = 1,046,280,802,725.36
  5. Step 5: Solve for x
    x = 1,046,280,802,725.36/971,919.60
  6. Step 6: Final answer
    x = 1,076,509.62

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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.