Home / 1,888,642.56-2,833,258.88-766,790.40

Finding the Fourth Proportional to 1,888,642.56, 2,833,258.88 and 766,790.40

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Solution

The fourth proportional to 1,888,642.56, 2,833,258.88 and 766,790.40 is: 1,150,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,642.56 : 2,833,258.88 = 766,790.40 : x
  2. Step 2: Convert to fraction form
    1,888,642.56/2,833,258.88 = 766,790.40/x
  3. Step 3: Cross multiply
    1,888,642.56x = 2,833,258.88 × 766,790.40
  4. Step 4: Simplify right side
    1,888,642.56x = 2,172,515,709,898.75
  5. Step 5: Solve for x
    x = 2,172,515,709,898.75/1,888,642.56
  6. Step 6: Final answer
    x = 1,150,305.39

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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.