Home / 1,859,280.32-2,788,920.48-1,299,408.32

Finding the Fourth Proportional to 1,859,280.32, 2,788,920.48 and 1,299,408.32

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Solution

The fourth proportional to 1,859,280.32, 2,788,920.48 and 1,299,408.32 is: 1,949,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,280.32 : 2,788,920.48 = 1,299,408.32 : x
  2. Step 2: Convert to fraction form
    1,859,280.32/2,788,920.48 = 1,299,408.32/x
  3. Step 3: Cross multiply
    1,859,280.32x = 2,788,920.48 × 1,299,408.32
  4. Step 4: Simplify right side
    1,859,280.32x = 3,623,946,475,530.39
  5. Step 5: Solve for x
    x = 3,623,946,475,530.39/1,859,280.32
  6. Step 6: Final answer
    x = 1,949,112.48

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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.