Home / 1,458,180.72-2,187,264.96-393,330.48

Finding the Fourth Proportional to 1,458,180.72, 2,187,264.96 and 393,330.48

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Solution

The fourth proportional to 1,458,180.72, 2,187,264.96 and 393,330.48 is: 589,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,180.72 : 2,187,264.96 = 393,330.48 : x
  2. Step 2: Convert to fraction form
    1,458,180.72/2,187,264.96 = 393,330.48/x
  3. Step 3: Cross multiply
    1,458,180.72x = 2,187,264.96 × 393,330.48
  4. Step 4: Simplify right side
    1,458,180.72x = 860,317,976,603.98
  5. Step 5: Solve for x
    x = 860,317,976,603.98/1,458,180.72
  6. Step 6: Final answer
    x = 589,994.07

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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.