Home / 1,442,302.48-1,988,168.52-1,079,176.24

Finding the Fourth Proportional to 1,442,302.48, 1,988,168.52 and 1,079,176.24

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Solution

The fourth proportional to 1,442,302.48, 1,988,168.52 and 1,079,176.24 is: 1,487,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,302.48 : 1,988,168.52 = 1,079,176.24 : x
  2. Step 2: Convert to fraction form
    1,442,302.48/1,988,168.52 = 1,079,176.24/x
  3. Step 3: Cross multiply
    1,442,302.48x = 1,988,168.52 × 1,079,176.24
  4. Step 4: Simplify right side
    1,442,302.48x = 2,145,584,227,899.97
  5. Step 5: Solve for x
    x = 2,145,584,227,899.97/1,442,302.48
  6. Step 6: Final answer
    x = 1,487,610.44

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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.