Home / 1,428,268.80-2,142,401.04-586,227.36

Finding the Fourth Proportional to 1,428,268.80, 2,142,401.04 and 586,227.36

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Solution

The fourth proportional to 1,428,268.80, 2,142,401.04 and 586,227.36 is: 879,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,268.80 : 2,142,401.04 = 586,227.36 : x
  2. Step 2: Convert to fraction form
    1,428,268.80/2,142,401.04 = 586,227.36/x
  3. Step 3: Cross multiply
    1,428,268.80x = 2,142,401.04 × 586,227.36
  4. Step 4: Simplify right side
    1,428,268.80x = 1,255,934,105,740.45
  5. Step 5: Solve for x
    x = 1,255,934,105,740.45/1,428,268.80
  6. Step 6: Final answer
    x = 879,340.15

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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.