Home / 791,981.21-1,186,003.47-724,788.33

Finding the Fourth Proportional to 791,981.21, 1,186,003.47 and 724,788.33

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Solution

The fourth proportional to 791,981.21, 1,186,003.47 and 724,788.33 is: 1,085,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,981.21 : 1,186,003.47 = 724,788.33 : x
  2. Step 2: Convert to fraction form
    791,981.21/1,186,003.47 = 724,788.33/x
  3. Step 3: Cross multiply
    791,981.21x = 1,186,003.47 × 724,788.33
  4. Step 4: Simplify right side
    791,981.21x = 859,601,474,395.51
  5. Step 5: Solve for x
    x = 859,601,474,395.51/791,981.21
  6. Step 6: Final answer
    x = 1,085,381.15

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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.