Home / 1,295,117.12-1,787,433.33-751,140.51

Finding the Fourth Proportional to 1,295,117.12, 1,787,433.33 and 751,140.51

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Solution

The fourth proportional to 1,295,117.12, 1,787,433.33 and 751,140.51 is: 1,036,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,117.12 : 1,787,433.33 = 751,140.51 : x
  2. Step 2: Convert to fraction form
    1,295,117.12/1,787,433.33 = 751,140.51/x
  3. Step 3: Cross multiply
    1,295,117.12x = 1,787,433.33 × 751,140.51
  4. Step 4: Simplify right side
    1,295,117.12x = 1,342,613,574,975.93
  5. Step 5: Solve for x
    x = 1,342,613,574,975.93/1,295,117.12
  6. Step 6: Final answer
    x = 1,036,673.48

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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.