Home / 1,263,777.60-1,895,666.40-422,329.34

Finding the Fourth Proportional to 1,263,777.60, 1,895,666.40 and 422,329.34

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Solution

The fourth proportional to 1,263,777.60, 1,895,666.40 and 422,329.34 is: 633,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,777.60 : 1,895,666.40 = 422,329.34 : x
  2. Step 2: Convert to fraction form
    1,263,777.60/1,895,666.40 = 422,329.34/x
  3. Step 3: Cross multiply
    1,263,777.60x = 1,895,666.40 × 422,329.34
  4. Step 4: Simplify right side
    1,263,777.60x = 800,595,539,572.18
  5. Step 5: Solve for x
    x = 800,595,539,572.18/1,263,777.60
  6. Step 6: Final answer
    x = 633,494.01

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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.