Home / 1,442,217.53-1,990,873.00-898,621.89

Finding the Fourth Proportional to 1,442,217.53, 1,990,873.00 and 898,621.89

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Solution

The fourth proportional to 1,442,217.53, 1,990,873.00 and 898,621.89 is: 1,240,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,217.53 : 1,990,873.00 = 898,621.89 : x
  2. Step 2: Convert to fraction form
    1,442,217.53/1,990,873.00 = 898,621.89/x
  3. Step 3: Cross multiply
    1,442,217.53x = 1,990,873.00 × 898,621.89
  4. Step 4: Simplify right side
    1,442,217.53x = 1,789,042,062,866.13
  5. Step 5: Solve for x
    x = 1,789,042,062,866.13/1,442,217.53
  6. Step 6: Final answer
    x = 1,240,480.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.