Home / 1,421,779.20-2,132,603.19-356,797.68

Finding the Fourth Proportional to 1,421,779.20, 2,132,603.19 and 356,797.68

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Solution

The fourth proportional to 1,421,779.20, 2,132,603.19 and 356,797.68 is: 535,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,779.20 : 2,132,603.19 = 356,797.68 : x
  2. Step 2: Convert to fraction form
    1,421,779.20/2,132,603.19 = 356,797.68/x
  3. Step 3: Cross multiply
    1,421,779.20x = 2,132,603.19 × 356,797.68
  4. Step 4: Simplify right side
    1,421,779.20x = 760,907,870,552.60
  5. Step 5: Solve for x
    x = 760,907,870,552.60/1,421,779.20
  6. Step 6: Final answer
    x = 535,180.06

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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.