Home / 1,568,402.79-2,352,417.15-431,280.51

Finding the Fourth Proportional to 1,568,402.79, 2,352,417.15 and 431,280.51

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Solution

The fourth proportional to 1,568,402.79, 2,352,417.15 and 431,280.51 is: 646,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,402.79 : 2,352,417.15 = 431,280.51 : x
  2. Step 2: Convert to fraction form
    1,568,402.79/2,352,417.15 = 431,280.51/x
  3. Step 3: Cross multiply
    1,568,402.79x = 2,352,417.15 × 431,280.51
  4. Step 4: Simplify right side
    1,568,402.79x = 1,014,551,668,184.75
  5. Step 5: Solve for x
    x = 1,014,551,668,184.75/1,568,402.79
  6. Step 6: Final answer
    x = 646,869.33

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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.