Home / 1,510,937.76-2,266,495.47-431,367.33

Finding the Fourth Proportional to 1,510,937.76, 2,266,495.47 and 431,367.33

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Solution

The fourth proportional to 1,510,937.76, 2,266,495.47 and 431,367.33 is: 647,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,937.76 : 2,266,495.47 = 431,367.33 : x
  2. Step 2: Convert to fraction form
    1,510,937.76/2,266,495.47 = 431,367.33/x
  3. Step 3: Cross multiply
    1,510,937.76x = 2,266,495.47 × 431,367.33
  4. Step 4: Simplify right side
    1,510,937.76x = 977,692,099,351.00
  5. Step 5: Solve for x
    x = 977,692,099,351.00/1,510,937.76
  6. Step 6: Final answer
    x = 647,076.36

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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.