Home / 1,230,274.60-1,845,671.10-388,911.40

Finding the Fourth Proportional to 1,230,274.60, 1,845,671.10 and 388,911.40

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Solution

The fourth proportional to 1,230,274.60, 1,845,671.10 and 388,911.40 is: 583,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,274.60 : 1,845,671.10 = 388,911.40 : x
  2. Step 2: Convert to fraction form
    1,230,274.60/1,845,671.10 = 388,911.40/x
  3. Step 3: Cross multiply
    1,230,274.60x = 1,845,671.10 × 388,911.40
  4. Step 4: Simplify right side
    1,230,274.60x = 717,802,531,440.54
  5. Step 5: Solve for x
    x = 717,802,531,440.54/1,230,274.60
  6. Step 6: Final answer
    x = 583,449.04

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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.