Home / 1,382,240.40-1,907,500.67-770,432.02

Finding the Fourth Proportional to 1,382,240.40, 1,907,500.67 and 770,432.02

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Solution

The fourth proportional to 1,382,240.40, 1,907,500.67 and 770,432.02 is: 1,063,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,240.40 : 1,907,500.67 = 770,432.02 : x
  2. Step 2: Convert to fraction form
    1,382,240.40/1,907,500.67 = 770,432.02/x
  3. Step 3: Cross multiply
    1,382,240.40x = 1,907,500.67 × 770,432.02
  4. Step 4: Simplify right side
    1,382,240.40x = 1,469,599,605,779.48
  5. Step 5: Solve for x
    x = 1,469,599,605,779.48/1,382,240.40
  6. Step 6: Final answer
    x = 1,063,201.16

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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.