Home / 1,360,669.03-2,042,264.67-687,223.26

Finding the Fourth Proportional to 1,360,669.03, 2,042,264.67 and 687,223.26

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Solution

The fourth proportional to 1,360,669.03, 2,042,264.67 and 687,223.26 is: 1,031,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,669.03 : 2,042,264.67 = 687,223.26 : x
  2. Step 2: Convert to fraction form
    1,360,669.03/2,042,264.67 = 687,223.26/x
  3. Step 3: Cross multiply
    1,360,669.03x = 2,042,264.67 × 687,223.26
  4. Step 4: Simplify right side
    1,360,669.03x = 1,403,491,784,300.22
  5. Step 5: Solve for x
    x = 1,403,491,784,300.22/1,360,669.03
  6. Step 6: Final answer
    x = 1,031,471.84

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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.