Home / 915,516.80-1,370,510.40-804,924.80

Finding the Fourth Proportional to 915,516.80, 1,370,510.40 and 804,924.80

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Solution

The fourth proportional to 915,516.80, 1,370,510.40 and 804,924.80 is: 1,204,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,516.80 : 1,370,510.40 = 804,924.80 : x
  2. Step 2: Convert to fraction form
    915,516.80/1,370,510.40 = 804,924.80/x
  3. Step 3: Cross multiply
    915,516.80x = 1,370,510.40 × 804,924.80
  4. Step 4: Simplify right side
    915,516.80x = 1,103,157,809,617.92
  5. Step 5: Solve for x
    x = 1,103,157,809,617.92/915,516.80
  6. Step 6: Final answer
    x = 1,204,956.38

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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.