Home / 1,452,929.32-2,179,884.44-643,202.05

Finding the Fourth Proportional to 1,452,929.32, 2,179,884.44 and 643,202.05

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Solution

The fourth proportional to 1,452,929.32, 2,179,884.44 and 643,202.05 is: 965,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,929.32 : 2,179,884.44 = 643,202.05 : x
  2. Step 2: Convert to fraction form
    1,452,929.32/2,179,884.44 = 643,202.05/x
  3. Step 3: Cross multiply
    1,452,929.32x = 2,179,884.44 × 643,202.05
  4. Step 4: Simplify right side
    1,452,929.32x = 1,402,106,140,571.10
  5. Step 5: Solve for x
    x = 1,402,106,140,571.10/1,452,929.32
  6. Step 6: Final answer
    x = 965,020.20

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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.