Home / 1,103,500.67-1,523,011.41-919,447.20

Finding the Fourth Proportional to 1,103,500.67, 1,523,011.41 and 919,447.20

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Solution

The fourth proportional to 1,103,500.67, 1,523,011.41 and 919,447.20 is: 1,268,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,500.67 : 1,523,011.41 = 919,447.20 : x
  2. Step 2: Convert to fraction form
    1,103,500.67/1,523,011.41 = 919,447.20/x
  3. Step 3: Cross multiply
    1,103,500.67x = 1,523,011.41 × 919,447.20
  4. Step 4: Simplify right side
    1,103,500.67x = 1,400,328,576,492.55
  5. Step 5: Solve for x
    x = 1,400,328,576,492.55/1,103,500.67
  6. Step 6: Final answer
    x = 1,268,987.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.