Home / 1,122,645.53-1,548,811.05-692,178.32

Finding the Fourth Proportional to 1,122,645.53, 1,548,811.05 and 692,178.32

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Solution

The fourth proportional to 1,122,645.53, 1,548,811.05 and 692,178.32 is: 954,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,645.53 : 1,548,811.05 = 692,178.32 : x
  2. Step 2: Convert to fraction form
    1,122,645.53/1,548,811.05 = 692,178.32/x
  3. Step 3: Cross multiply
    1,122,645.53x = 1,548,811.05 × 692,178.32
  4. Step 4: Simplify right side
    1,122,645.53x = 1,072,053,430,586.44
  5. Step 5: Solve for x
    x = 1,072,053,430,586.44/1,122,645.53
  6. Step 6: Final answer
    x = 954,934.93

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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.