Home / 1,422,066.11-1,962,451.26-777,486.33

Finding the Fourth Proportional to 1,422,066.11, 1,962,451.26 and 777,486.33

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Solution

The fourth proportional to 1,422,066.11, 1,962,451.26 and 777,486.33 is: 1,072,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,066.11 : 1,962,451.26 = 777,486.33 : x
  2. Step 2: Convert to fraction form
    1,422,066.11/1,962,451.26 = 777,486.33/x
  3. Step 3: Cross multiply
    1,422,066.11x = 1,962,451.26 × 777,486.33
  4. Step 4: Simplify right side
    1,422,066.11x = 1,525,779,027,941.28
  5. Step 5: Solve for x
    x = 1,525,779,027,941.28/1,422,066.11
  6. Step 6: Final answer
    x = 1,072,931.15

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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.