Home / 1,603,642.86-2,213,029.76-878,474.66

Finding the Fourth Proportional to 1,603,642.86, 2,213,029.76 and 878,474.66

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Solution

The fourth proportional to 1,603,642.86, 2,213,029.76 and 878,474.66 is: 1,212,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,642.86 : 2,213,029.76 = 878,474.66 : x
  2. Step 2: Convert to fraction form
    1,603,642.86/2,213,029.76 = 878,474.66/x
  3. Step 3: Cross multiply
    1,603,642.86x = 2,213,029.76 × 878,474.66
  4. Step 4: Simplify right side
    1,603,642.86x = 1,944,090,565,985.88
  5. Step 5: Solve for x
    x = 1,944,090,565,985.88/1,603,642.86
  6. Step 6: Final answer
    x = 1,212,296.46

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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.