Home / 1,351,449.02-1,864,188.78-892,564.49

Finding the Fourth Proportional to 1,351,449.02, 1,864,188.78 and 892,564.49

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Solution

The fourth proportional to 1,351,449.02, 1,864,188.78 and 892,564.49 is: 1,231,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,449.02 : 1,864,188.78 = 892,564.49 : x
  2. Step 2: Convert to fraction form
    1,351,449.02/1,864,188.78 = 892,564.49/x
  3. Step 3: Cross multiply
    1,351,449.02x = 1,864,188.78 × 892,564.49
  4. Step 4: Simplify right side
    1,351,449.02x = 1,663,908,707,684.42
  5. Step 5: Solve for x
    x = 1,663,908,707,684.42/1,351,449.02
  6. Step 6: Final answer
    x = 1,231,203.46

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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.