Home / 1,342,760.40-2,014,140.60-1,284,449.51

Finding the Fourth Proportional to 1,342,760.40, 2,014,140.60 and 1,284,449.51

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Solution

The fourth proportional to 1,342,760.40, 2,014,140.60 and 1,284,449.51 is: 1,926,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,760.40 : 2,014,140.60 = 1,284,449.51 : x
  2. Step 2: Convert to fraction form
    1,342,760.40/2,014,140.60 = 1,284,449.51/x
  3. Step 3: Cross multiply
    1,342,760.40x = 2,014,140.60 × 1,284,449.51
  4. Step 4: Simplify right side
    1,342,760.40x = 2,587,061,911,776.46
  5. Step 5: Solve for x
    x = 2,587,061,911,776.46/1,342,760.40
  6. Step 6: Final answer
    x = 1,926,674.27

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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.