Home / 1,505,341.35-2,079,095.13-991,392.66

Finding the Fourth Proportional to 1,505,341.35, 2,079,095.13 and 991,392.66

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Solution

The fourth proportional to 1,505,341.35, 2,079,095.13 and 991,392.66 is: 1,369,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,341.35 : 2,079,095.13 = 991,392.66 : x
  2. Step 2: Convert to fraction form
    1,505,341.35/2,079,095.13 = 991,392.66/x
  3. Step 3: Cross multiply
    1,505,341.35x = 2,079,095.13 × 991,392.66
  4. Step 4: Simplify right side
    1,505,341.35x = 2,061,199,651,323.75
  5. Step 5: Solve for x
    x = 2,061,199,651,323.75/1,505,341.35
  6. Step 6: Final answer
    x = 1,369,257.31

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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.