Home / 1,287,480.24-1,931,347.80-446,026.32

Finding the Fourth Proportional to 1,287,480.24, 1,931,347.80 and 446,026.32

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Solution

The fourth proportional to 1,287,480.24, 1,931,347.80 and 446,026.32 is: 669,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,480.24 : 1,931,347.80 = 446,026.32 : x
  2. Step 2: Convert to fraction form
    1,287,480.24/1,931,347.80 = 446,026.32/x
  3. Step 3: Cross multiply
    1,287,480.24x = 1,931,347.80 × 446,026.32
  4. Step 4: Simplify right side
    1,287,480.24x = 861,431,951,874.10
  5. Step 5: Solve for x
    x = 861,431,951,874.10/1,287,480.24
  6. Step 6: Final answer
    x = 669,083.63

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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.