Home / 1,315,212.32-1,814,798.34-798,697.58

Finding the Fourth Proportional to 1,315,212.32, 1,814,798.34 and 798,697.58

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Solution

The fourth proportional to 1,315,212.32, 1,814,798.34 and 798,697.58 is: 1,102,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,212.32 : 1,814,798.34 = 798,697.58 : x
  2. Step 2: Convert to fraction form
    1,315,212.32/1,814,798.34 = 798,697.58/x
  3. Step 3: Cross multiply
    1,315,212.32x = 1,814,798.34 × 798,697.58
  4. Step 4: Simplify right side
    1,315,212.32x = 1,449,475,042,346.02
  5. Step 5: Solve for x
    x = 1,449,475,042,346.02/1,315,212.32
  6. Step 6: Final answer
    x = 1,102,084.45

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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.