Home / 1,043,143.56-1,564,959.42-323,447.40

Finding the Fourth Proportional to 1,043,143.56, 1,564,959.42 and 323,447.40

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Solution

The fourth proportional to 1,043,143.56, 1,564,959.42 and 323,447.40 is: 485,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,143.56 : 1,564,959.42 = 323,447.40 : x
  2. Step 2: Convert to fraction form
    1,043,143.56/1,564,959.42 = 323,447.40/x
  3. Step 3: Cross multiply
    1,043,143.56x = 1,564,959.42 × 323,447.40
  4. Step 4: Simplify right side
    1,043,143.56x = 506,182,055,504.51
  5. Step 5: Solve for x
    x = 506,182,055,504.51/1,043,143.56
  6. Step 6: Final answer
    x = 485,246.78

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1.5x scale

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.