Home / 1,203,139.72-1,804,719.82-962,657.72

Finding the Fourth Proportional to 1,203,139.72, 1,804,719.82 and 962,657.72

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Solution

The fourth proportional to 1,203,139.72, 1,804,719.82 and 962,657.72 is: 1,443,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,139.72 : 1,804,719.82 = 962,657.72 : x
  2. Step 2: Convert to fraction form
    1,203,139.72/1,804,719.82 = 962,657.72/x
  3. Step 3: Cross multiply
    1,203,139.72x = 1,804,719.82 × 962,657.72
  4. Step 4: Simplify right side
    1,203,139.72x = 1,737,327,467,160.01
  5. Step 5: Solve for x
    x = 1,737,327,467,160.01/1,203,139.72
  6. Step 6: Final answer
    x = 1,443,994.77

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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.