Home / 1,201,095.20-1,801,642.80-1,122,363.20

Finding the Fourth Proportional to 1,201,095.20, 1,801,642.80 and 1,122,363.20

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Solution

The fourth proportional to 1,201,095.20, 1,801,642.80 and 1,122,363.20 is: 1,683,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,095.20 : 1,801,642.80 = 1,122,363.20 : x
  2. Step 2: Convert to fraction form
    1,201,095.20/1,801,642.80 = 1,122,363.20/x
  3. Step 3: Cross multiply
    1,201,095.20x = 1,801,642.80 × 1,122,363.20
  4. Step 4: Simplify right side
    1,201,095.20x = 2,022,097,578,264.96
  5. Step 5: Solve for x
    x = 2,022,097,578,264.96/1,201,095.20
  6. Step 6: Final answer
    x = 1,683,544.80

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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.