Home / 990,119.12-1,366,367.02-537,410.12

Finding the Fourth Proportional to 990,119.12, 1,366,367.02 and 537,410.12

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Solution

The fourth proportional to 990,119.12, 1,366,367.02 and 537,410.12 is: 741,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,119.12 : 1,366,367.02 = 537,410.12 : x
  2. Step 2: Convert to fraction form
    990,119.12/1,366,367.02 = 537,410.12/x
  3. Step 3: Cross multiply
    990,119.12x = 1,366,367.02 × 537,410.12
  4. Step 4: Simplify right side
    990,119.12x = 734,299,464,182.24
  5. Step 5: Solve for x
    x = 734,299,464,182.24/990,119.12
  6. Step 6: Final answer
    x = 741,627.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.