Home / 915,492.80-1,370,474.40-804,900.80

Finding the Fourth Proportional to 915,492.80, 1,370,474.40 and 804,900.80

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Solution

The fourth proportional to 915,492.80, 1,370,474.40 and 804,900.80 is: 1,204,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,492.80 : 1,370,474.40 = 804,900.80 : x
  2. Step 2: Convert to fraction form
    915,492.80/1,370,474.40 = 804,900.80/x
  3. Step 3: Cross multiply
    915,492.80x = 1,370,474.40 × 804,900.80
  4. Step 4: Simplify right side
    915,492.80x = 1,103,095,940,939.52
  5. Step 5: Solve for x
    x = 1,103,095,940,939.52/915,492.80
  6. Step 6: Final answer
    x = 1,204,920.39

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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.