Home / 1,038,390.88-1,433,628.12-796,208.20

Finding the Fourth Proportional to 1,038,390.88, 1,433,628.12 and 796,208.20

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Solution

The fourth proportional to 1,038,390.88, 1,433,628.12 and 796,208.20 is: 1,099,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,390.88 : 1,433,628.12 = 796,208.20 : x
  2. Step 2: Convert to fraction form
    1,038,390.88/1,433,628.12 = 796,208.20/x
  3. Step 3: Cross multiply
    1,038,390.88x = 1,433,628.12 × 796,208.20
  4. Step 4: Simplify right side
    1,038,390.88x = 1,141,466,464,894.58
  5. Step 5: Solve for x
    x = 1,141,466,464,894.58/1,038,390.88
  6. Step 6: Final answer
    x = 1,099,264.72

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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.