Home / 1,786,087.24-2,464,790.55-970,284.40

Finding the Fourth Proportional to 1,786,087.24, 2,464,790.55 and 970,284.40

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Solution

The fourth proportional to 1,786,087.24, 2,464,790.55 and 970,284.40 is: 1,338,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,087.24 : 2,464,790.55 = 970,284.40 : x
  2. Step 2: Convert to fraction form
    1,786,087.24/2,464,790.55 = 970,284.40/x
  3. Step 3: Cross multiply
    1,786,087.24x = 2,464,790.55 × 970,284.40
  4. Step 4: Simplify right side
    1,786,087.24x = 2,391,547,810,131.88
  5. Step 5: Solve for x
    x = 2,391,547,810,131.88/1,786,087.24
  6. Step 6: Final answer
    x = 1,338,987.12

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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.