Home / 1,336,701.10-2,005,543.73-438,172.15

Finding the Fourth Proportional to 1,336,701.10, 2,005,543.73 and 438,172.15

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Solution

The fourth proportional to 1,336,701.10, 2,005,543.73 and 438,172.15 is: 657,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,701.10 : 2,005,543.73 = 438,172.15 : x
  2. Step 2: Convert to fraction form
    1,336,701.10/2,005,543.73 = 438,172.15/x
  3. Step 3: Cross multiply
    1,336,701.10x = 2,005,543.73 × 438,172.15
  4. Step 4: Simplify right side
    1,336,701.10x = 878,773,408,093.12
  5. Step 5: Solve for x
    x = 878,773,408,093.12/1,336,701.10
  6. Step 6: Final answer
    x = 657,419.53

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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.