Home / 1,243,147.48-1,864,536.67-344,495.51

Finding the Fourth Proportional to 1,243,147.48, 1,864,536.67 and 344,495.51

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Solution

The fourth proportional to 1,243,147.48, 1,864,536.67 and 344,495.51 is: 516,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,147.48 : 1,864,536.67 = 344,495.51 : x
  2. Step 2: Convert to fraction form
    1,243,147.48/1,864,536.67 = 344,495.51/x
  3. Step 3: Cross multiply
    1,243,147.48x = 1,864,536.67 × 344,495.51
  4. Step 4: Simplify right side
    1,243,147.48x = 642,324,511,045.35
  5. Step 5: Solve for x
    x = 642,324,511,045.35/1,243,147.48
  6. Step 6: Final answer
    x = 516,692.12

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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.