Home / 1,488,654.78-2,233,166.73-423,779.88

Finding the Fourth Proportional to 1,488,654.78, 2,233,166.73 and 423,779.88

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Solution

The fourth proportional to 1,488,654.78, 2,233,166.73 and 423,779.88 is: 635,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,654.78 : 2,233,166.73 = 423,779.88 : x
  2. Step 2: Convert to fraction form
    1,488,654.78/2,233,166.73 = 423,779.88/x
  3. Step 3: Cross multiply
    1,488,654.78x = 2,233,166.73 × 423,779.88
  4. Step 4: Simplify right side
    1,488,654.78x = 946,371,128,859.39
  5. Step 5: Solve for x
    x = 946,371,128,859.39/1,488,654.78
  6. Step 6: Final answer
    x = 635,722.36

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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.