Home / 1,238,755.08-1,709,130.54-722,531.48

Finding the Fourth Proportional to 1,238,755.08, 1,709,130.54 and 722,531.48

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Solution

The fourth proportional to 1,238,755.08, 1,709,130.54 and 722,531.48 is: 996,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,755.08 : 1,709,130.54 = 722,531.48 : x
  2. Step 2: Convert to fraction form
    1,238,755.08/1,709,130.54 = 722,531.48/x
  3. Step 3: Cross multiply
    1,238,755.08x = 1,709,130.54 × 722,531.48
  4. Step 4: Simplify right side
    1,238,755.08x = 1,234,900,618,579.40
  5. Step 5: Solve for x
    x = 1,234,900,618,579.40/1,238,755.08
  6. Step 6: Final answer
    x = 996,888.44

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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.