Home / 1,759,136.64-2,638,750.32-479,754.60

Finding the Fourth Proportional to 1,759,136.64, 2,638,750.32 and 479,754.60

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Solution

The fourth proportional to 1,759,136.64, 2,638,750.32 and 479,754.60 is: 719,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,136.64 : 2,638,750.32 = 479,754.60 : x
  2. Step 2: Convert to fraction form
    1,759,136.64/2,638,750.32 = 479,754.60/x
  3. Step 3: Cross multiply
    1,759,136.64x = 2,638,750.32 × 479,754.60
  4. Step 4: Simplify right side
    1,759,136.64x = 1,265,952,604,271.47
  5. Step 5: Solve for x
    x = 1,265,952,604,271.47/1,759,136.64
  6. Step 6: Final answer
    x = 719,644.27

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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.