Home / 1,299,410.40-1,949,447.74-500,477.43

Finding the Fourth Proportional to 1,299,410.40, 1,949,447.74 and 500,477.43

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Solution

The fourth proportional to 1,299,410.40, 1,949,447.74 and 500,477.43 is: 750,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,410.40 : 1,949,447.74 = 500,477.43 : x
  2. Step 2: Convert to fraction form
    1,299,410.40/1,949,447.74 = 500,477.43/x
  3. Step 3: Cross multiply
    1,299,410.40x = 1,949,447.74 × 500,477.43
  4. Step 4: Simplify right side
    1,299,410.40x = 975,654,585,087.27
  5. Step 5: Solve for x
    x = 975,654,585,087.27/1,299,410.40
  6. Step 6: Final answer
    x = 750,844.07

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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.