Home / 1,242,965.52-1,864,053-401,321.52

Finding the Fourth Proportional to 1,242,965.52, 1,864,053 and 401,321.52

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Solution

The fourth proportional to 1,242,965.52, 1,864,053 and 401,321.52 is: 601,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,965.52 : 1,864,053 = 401,321.52 : x
  2. Step 2: Convert to fraction form
    1,242,965.52/1,864,053 = 401,321.52/x
  3. Step 3: Cross multiply
    1,242,965.52x = 1,864,053 × 401,321.52
  4. Step 4: Simplify right side
    1,242,965.52x = 748,084,583,320.56
  5. Step 5: Solve for x
    x = 748,084,583,320.56/1,242,965.52
  6. Step 6: Final answer
    x = 601,854.65

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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.