Home / 791,980.08-1,186,001.79-724,787.21

Finding the Fourth Proportional to 791,980.08, 1,186,001.79 and 724,787.21

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Solution

The fourth proportional to 791,980.08, 1,186,001.79 and 724,787.21 is: 1,085,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,980.08 : 1,186,001.79 = 724,787.21 : x
  2. Step 2: Convert to fraction form
    791,980.08/1,186,001.79 = 724,787.21/x
  3. Step 3: Cross multiply
    791,980.08x = 1,186,001.79 × 724,787.21
  4. Step 4: Simplify right side
    791,980.08x = 859,598,922,499.10
  5. Step 5: Solve for x
    x = 859,598,922,499.10/791,980.08
  6. Step 6: Final answer
    x = 1,085,379.47

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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.