Home / 1,603,644.48-2,213,022.87-878,491.17

Finding the Fourth Proportional to 1,603,644.48, 2,213,022.87 and 878,491.17

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Solution

The fourth proportional to 1,603,644.48, 2,213,022.87 and 878,491.17 is: 1,212,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,644.48 : 2,213,022.87 = 878,491.17 : x
  2. Step 2: Convert to fraction form
    1,603,644.48/2,213,022.87 = 878,491.17/x
  3. Step 3: Cross multiply
    1,603,644.48x = 2,213,022.87 × 878,491.17
  4. Step 4: Simplify right side
    1,603,644.48x = 1,944,121,050,303.06
  5. Step 5: Solve for x
    x = 1,944,121,050,303.06/1,603,644.48
  6. Step 6: Final answer
    x = 1,212,314.25

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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.