Home / 1,917,729-2,876,598.97-497,797.38

Finding the Fourth Proportional to 1,917,729, 2,876,598.97 and 497,797.38

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Solution

The fourth proportional to 1,917,729, 2,876,598.97 and 497,797.38 is: 746,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,729 : 2,876,598.97 = 497,797.38 : x
  2. Step 2: Convert to fraction form
    1,917,729/2,876,598.97 = 497,797.38/x
  3. Step 3: Cross multiply
    1,917,729x = 2,876,598.97 × 497,797.38
  4. Step 4: Simplify right side
    1,917,729x = 1,431,963,429,332.21
  5. Step 5: Solve for x
    x = 1,431,963,429,332.21/1,917,729
  6. Step 6: Final answer
    x = 746,697.49

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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.