Home / 1,086,294.32-1,629,345.76-487,094.66

Finding the Fourth Proportional to 1,086,294.32, 1,629,345.76 and 487,094.66

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Solution

The fourth proportional to 1,086,294.32, 1,629,345.76 and 487,094.66 is: 730,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,294.32 : 1,629,345.76 = 487,094.66 : x
  2. Step 2: Convert to fraction form
    1,086,294.32/1,629,345.76 = 487,094.66/x
  3. Step 3: Cross multiply
    1,086,294.32x = 1,629,345.76 × 487,094.66
  4. Step 4: Simplify right side
    1,086,294.32x = 793,645,618,989.64
  5. Step 5: Solve for x
    x = 793,645,618,989.64/1,086,294.32
  6. Step 6: Final answer
    x = 730,599.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.