Home / 1,215,336.96-1,677,022.02-671,440.32

Finding the Fourth Proportional to 1,215,336.96, 1,677,022.02 and 671,440.32

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Solution

The fourth proportional to 1,215,336.96, 1,677,022.02 and 671,440.32 is: 926,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,336.96 : 1,677,022.02 = 671,440.32 : x
  2. Step 2: Convert to fraction form
    1,215,336.96/1,677,022.02 = 671,440.32/x
  3. Step 3: Cross multiply
    1,215,336.96x = 1,677,022.02 × 671,440.32
  4. Step 4: Simplify right side
    1,215,336.96x = 1,126,020,201,755.85
  5. Step 5: Solve for x
    x = 1,126,020,201,755.85/1,215,336.96
  6. Step 6: Final answer
    x = 926,508.65

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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.