Home / 1,182,178.72-1,772,945.02-423,879.40

Finding the Fourth Proportional to 1,182,178.72, 1,772,945.02 and 423,879.40

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Solution

The fourth proportional to 1,182,178.72, 1,772,945.02 and 423,879.40 is: 635,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,178.72 : 1,772,945.02 = 423,879.40 : x
  2. Step 2: Convert to fraction form
    1,182,178.72/1,772,945.02 = 423,879.40/x
  3. Step 3: Cross multiply
    1,182,178.72x = 1,772,945.02 × 423,879.40
  4. Step 4: Simplify right side
    1,182,178.72x = 751,514,871,310.59
  5. Step 5: Solve for x
    x = 751,514,871,310.59/1,182,178.72
  6. Step 6: Final answer
    x = 635,703.26

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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.