Home / 915,112.88-1,370,738.24-734,218.93

Finding the Fourth Proportional to 915,112.88, 1,370,738.24 and 734,218.93

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Solution

The fourth proportional to 915,112.88, 1,370,738.24 and 734,218.93 is: 1,099,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,112.88 : 1,370,738.24 = 734,218.93 : x
  2. Step 2: Convert to fraction form
    915,112.88/1,370,738.24 = 734,218.93/x
  3. Step 3: Cross multiply
    915,112.88x = 1,370,738.24 × 734,218.93
  4. Step 4: Simplify right side
    915,112.88x = 1,006,421,969,145.28
  5. Step 5: Solve for x
    x = 1,006,421,969,145.28/915,112.88
  6. Step 6: Final answer
    x = 1,099,779.04

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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.