Home / 1,237,084.79-1,852,477.09-815,081.27

Finding the Fourth Proportional to 1,237,084.79, 1,852,477.09 and 815,081.27

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Solution

The fourth proportional to 1,237,084.79, 1,852,477.09 and 815,081.27 is: 1,220,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,084.79 : 1,852,477.09 = 815,081.27 : x
  2. Step 2: Convert to fraction form
    1,237,084.79/1,852,477.09 = 815,081.27/x
  3. Step 3: Cross multiply
    1,237,084.79x = 1,852,477.09 × 815,081.27
  4. Step 4: Simplify right side
    1,237,084.79x = 1,509,919,367,863.02
  5. Step 5: Solve for x
    x = 1,509,919,367,863.02/1,237,084.79
  6. Step 6: Final answer
    x = 1,220,546.39

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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.