Home / 1,259,892.60-1,889,838.90-787,500.60

Finding the Fourth Proportional to 1,259,892.60, 1,889,838.90 and 787,500.60

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Solution

The fourth proportional to 1,259,892.60, 1,889,838.90 and 787,500.60 is: 1,181,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,892.60 : 1,889,838.90 = 787,500.60 : x
  2. Step 2: Convert to fraction form
    1,259,892.60/1,889,838.90 = 787,500.60/x
  3. Step 3: Cross multiply
    1,259,892.60x = 1,889,838.90 × 787,500.60
  4. Step 4: Simplify right side
    1,259,892.60x = 1,488,249,267,653.34
  5. Step 5: Solve for x
    x = 1,488,249,267,653.34/1,259,892.60
  6. Step 6: Final answer
    x = 1,181,250.90

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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.