Home / 1,022,315.60-1,409,967.34-899,542.89

Finding the Fourth Proportional to 1,022,315.60, 1,409,967.34 and 899,542.89

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Solution

The fourth proportional to 1,022,315.60, 1,409,967.34 and 899,542.89 is: 1,240,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,315.60 : 1,409,967.34 = 899,542.89 : x
  2. Step 2: Convert to fraction form
    1,022,315.60/1,409,967.34 = 899,542.89/x
  3. Step 3: Cross multiply
    1,022,315.60x = 1,409,967.34 × 899,542.89
  4. Step 4: Simplify right side
    1,022,315.60x = 1,268,326,093,580.36
  5. Step 5: Solve for x
    x = 1,268,326,093,580.36/1,022,315.60
  6. Step 6: Final answer
    x = 1,240,640.45

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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.