Home / 1,103,352.32-1,655,158.08-393,481.28

Finding the Fourth Proportional to 1,103,352.32, 1,655,158.08 and 393,481.28

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Solution

The fourth proportional to 1,103,352.32, 1,655,158.08 and 393,481.28 is: 590,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,352.32 : 1,655,158.08 = 393,481.28 : x
  2. Step 2: Convert to fraction form
    1,103,352.32/1,655,158.08 = 393,481.28/x
  3. Step 3: Cross multiply
    1,103,352.32x = 1,655,158.08 × 393,481.28
  4. Step 4: Simplify right side
    1,103,352.32x = 651,273,719,920.74
  5. Step 5: Solve for x
    x = 651,273,719,920.74/1,103,352.32
  6. Step 6: Final answer
    x = 590,268.14

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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.