Home / 1,280,888.64-1,766,482.20-1,062,751.96

Finding the Fourth Proportional to 1,280,888.64, 1,766,482.20 and 1,062,751.96

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Solution

The fourth proportional to 1,280,888.64, 1,766,482.20 and 1,062,751.96 is: 1,465,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,888.64 : 1,766,482.20 = 1,062,751.96 : x
  2. Step 2: Convert to fraction form
    1,280,888.64/1,766,482.20 = 1,062,751.96/x
  3. Step 3: Cross multiply
    1,280,888.64x = 1,766,482.20 × 1,062,751.96
  4. Step 4: Simplify right side
    1,280,888.64x = 1,877,332,422,563.21
  5. Step 5: Solve for x
    x = 1,877,332,422,563.21/1,280,888.64
  6. Step 6: Final answer
    x = 1,465,648.43

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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.