Home / 1,325,625-1,988,397.54-366,139.08

Finding the Fourth Proportional to 1,325,625, 1,988,397.54 and 366,139.08

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Solution

The fourth proportional to 1,325,625, 1,988,397.54 and 366,139.08 is: 549,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,625 : 1,988,397.54 = 366,139.08 : x
  2. Step 2: Convert to fraction form
    1,325,625/1,988,397.54 = 366,139.08/x
  3. Step 3: Cross multiply
    1,325,625x = 1,988,397.54 × 366,139.08
  4. Step 4: Simplify right side
    1,325,625x = 728,030,045,969.86
  5. Step 5: Solve for x
    x = 728,030,045,969.86/1,325,625
  6. Step 6: Final answer
    x = 549,197.58

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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.