Home / 1,185,512.72-1,636,020.60-676,245.20

Finding the Fourth Proportional to 1,185,512.72, 1,636,020.60 and 676,245.20

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Solution

The fourth proportional to 1,185,512.72, 1,636,020.60 and 676,245.20 is: 933,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,512.72 : 1,636,020.60 = 676,245.20 : x
  2. Step 2: Convert to fraction form
    1,185,512.72/1,636,020.60 = 676,245.20/x
  3. Step 3: Cross multiply
    1,185,512.72x = 1,636,020.60 × 676,245.20
  4. Step 4: Simplify right side
    1,185,512.72x = 1,106,351,077,851.12
  5. Step 5: Solve for x
    x = 1,106,351,077,851.12/1,185,512.72
  6. Step 6: Final answer
    x = 933,225.82

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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.