Home / 1,215,366.07-1,677,238.99-671,536.90

Finding the Fourth Proportional to 1,215,366.07, 1,677,238.99 and 671,536.90

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Solution

The fourth proportional to 1,215,366.07, 1,677,238.99 and 671,536.90 is: 926,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,366.07 : 1,677,238.99 = 671,536.90 : x
  2. Step 2: Convert to fraction form
    1,215,366.07/1,677,238.99 = 671,536.90/x
  3. Step 3: Cross multiply
    1,215,366.07x = 1,677,238.99 × 671,536.90
  4. Step 4: Simplify right side
    1,215,366.07x = 1,126,327,868,550.05
  5. Step 5: Solve for x
    x = 1,126,327,868,550.05/1,215,366.07
  6. Step 6: Final answer
    x = 926,739.60

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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.