Home / 1,314,779.30-1,972,174.80-416,225.54

Finding the Fourth Proportional to 1,314,779.30, 1,972,174.80 and 416,225.54

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Solution

The fourth proportional to 1,314,779.30, 1,972,174.80 and 416,225.54 is: 624,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,779.30 : 1,972,174.80 = 416,225.54 : x
  2. Step 2: Convert to fraction form
    1,314,779.30/1,972,174.80 = 416,225.54/x
  3. Step 3: Cross multiply
    1,314,779.30x = 1,972,174.80 × 416,225.54
  4. Step 4: Simplify right side
    1,314,779.30x = 820,869,521,104.39
  5. Step 5: Solve for x
    x = 820,869,521,104.39/1,314,779.30
  6. Step 6: Final answer
    x = 624,340.16

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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.