Home / 918,369.20-1,374,832.20-682,756.40

Finding the Fourth Proportional to 918,369.20, 1,374,832.20 and 682,756.40

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Solution

The fourth proportional to 918,369.20, 1,374,832.20 and 682,756.40 is: 1,022,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,369.20 : 1,374,832.20 = 682,756.40 : x
  2. Step 2: Convert to fraction form
    918,369.20/1,374,832.20 = 682,756.40/x
  3. Step 3: Cross multiply
    918,369.20x = 1,374,832.20 × 682,756.40
  4. Step 4: Simplify right side
    918,369.20x = 938,675,483,476.08
  5. Step 5: Solve for x
    x = 938,675,483,476.08/918,369.20
  6. Step 6: Final answer
    x = 1,022,111.24

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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.