Home / 1,339,126.89-1,848,560.30-904,133.53

Finding the Fourth Proportional to 1,339,126.89, 1,848,560.30 and 904,133.53

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Solution

The fourth proportional to 1,339,126.89, 1,848,560.30 and 904,133.53 is: 1,248,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,126.89 : 1,848,560.30 = 904,133.53 : x
  2. Step 2: Convert to fraction form
    1,339,126.89/1,848,560.30 = 904,133.53/x
  3. Step 3: Cross multiply
    1,339,126.89x = 1,848,560.30 × 904,133.53
  4. Step 4: Simplify right side
    1,339,126.89x = 1,671,345,349,456.86
  5. Step 5: Solve for x
    x = 1,671,345,349,456.86/1,339,126.89
  6. Step 6: Final answer
    x = 1,248,085.87

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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.