Home / 1,538,970.72-2,308,456.68-401,729.77

Finding the Fourth Proportional to 1,538,970.72, 2,308,456.68 and 401,729.77

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Solution

The fourth proportional to 1,538,970.72, 2,308,456.68 and 401,729.77 is: 602,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,970.72 : 2,308,456.68 = 401,729.77 : x
  2. Step 2: Convert to fraction form
    1,538,970.72/2,308,456.68 = 401,729.77/x
  3. Step 3: Cross multiply
    1,538,970.72x = 2,308,456.68 × 401,729.77
  4. Step 4: Simplify right side
    1,538,970.72x = 927,375,771,111.36
  5. Step 5: Solve for x
    x = 927,375,771,111.36/1,538,970.72
  6. Step 6: Final answer
    x = 602,594.81

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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.