Home / 1,334,275.78-2,001,395.78-323,406.40

Finding the Fourth Proportional to 1,334,275.78, 2,001,395.78 and 323,406.40

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Solution

The fourth proportional to 1,334,275.78, 2,001,395.78 and 323,406.40 is: 485,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,275.78 : 2,001,395.78 = 323,406.40 : x
  2. Step 2: Convert to fraction form
    1,334,275.78/2,001,395.78 = 323,406.40/x
  3. Step 3: Cross multiply
    1,334,275.78x = 2,001,395.78 × 323,406.40
  4. Step 4: Simplify right side
    1,334,275.78x = 647,264,204,184.99
  5. Step 5: Solve for x
    x = 647,264,204,184.99/1,334,275.78
  6. Step 6: Final answer
    x = 485,105.26

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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.