Home / 1,403,640.16-2,105,442.01-338,673.22

Finding the Fourth Proportional to 1,403,640.16, 2,105,442.01 and 338,673.22

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Solution

The fourth proportional to 1,403,640.16, 2,105,442.01 and 338,673.22 is: 508,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,640.16 : 2,105,442.01 = 338,673.22 : x
  2. Step 2: Convert to fraction form
    1,403,640.16/2,105,442.01 = 338,673.22/x
  3. Step 3: Cross multiply
    1,403,640.16x = 2,105,442.01 × 338,673.22
  4. Step 4: Simplify right side
    1,403,640.16x = 713,056,825,049.97
  5. Step 5: Solve for x
    x = 713,056,825,049.97/1,403,640.16
  6. Step 6: Final answer
    x = 508,005.43

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1.5x scale

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.