Home / 1,419,258.30-2,129,227.65-472,637.22

Finding the Fourth Proportional to 1,419,258.30, 2,129,227.65 and 472,637.22

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Solution

The fourth proportional to 1,419,258.30, 2,129,227.65 and 472,637.22 is: 709,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,258.30 : 2,129,227.65 = 472,637.22 : x
  2. Step 2: Convert to fraction form
    1,419,258.30/2,129,227.65 = 472,637.22/x
  3. Step 3: Cross multiply
    1,419,258.30x = 2,129,227.65 × 472,637.22
  4. Step 4: Simplify right side
    1,419,258.30x = 1,006,352,237,243.13
  5. Step 5: Solve for x
    x = 1,006,352,237,243.13/1,419,258.30
  6. Step 6: Final answer
    x = 709,069.12

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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.