Home / 1,755,398.79-2,633,196.60-493,128

Finding the Fourth Proportional to 1,755,398.79, 2,633,196.60 and 493,128

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Solution

The fourth proportional to 1,755,398.79, 2,633,196.60 and 493,128 is: 739,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,398.79 : 2,633,196.60 = 493,128 : x
  2. Step 2: Convert to fraction form
    1,755,398.79/2,633,196.60 = 493,128/x
  3. Step 3: Cross multiply
    1,755,398.79x = 2,633,196.60 × 493,128
  4. Step 4: Simplify right side
    1,755,398.79x = 1,298,502,972,964.80
  5. Step 5: Solve for x
    x = 1,298,502,972,964.80/1,755,398.79
  6. Step 6: Final answer
    x = 739,719.65

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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.