Home / 1,421,779.70-2,132,603.94-356,798.18

Finding the Fourth Proportional to 1,421,779.70, 2,132,603.94 and 356,798.18

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Solution

The fourth proportional to 1,421,779.70, 2,132,603.94 and 356,798.18 is: 535,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,779.70 : 2,132,603.94 = 356,798.18 : x
  2. Step 2: Convert to fraction form
    1,421,779.70/2,132,603.94 = 356,798.18/x
  3. Step 3: Cross multiply
    1,421,779.70x = 2,132,603.94 × 356,798.18
  4. Step 4: Simplify right side
    1,421,779.70x = 760,909,204,452.83
  5. Step 5: Solve for x
    x = 760,909,204,452.83/1,421,779.70
  6. Step 6: Final answer
    x = 535,180.81

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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.