Home / 990,105.32-1,366,346.90-537,396.52

Finding the Fourth Proportional to 990,105.32, 1,366,346.90 and 537,396.52

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Solution

The fourth proportional to 990,105.32, 1,366,346.90 and 537,396.52 is: 741,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,105.32 : 1,366,346.90 = 537,396.52 : x
  2. Step 2: Convert to fraction form
    990,105.32/1,366,346.90 = 537,396.52/x
  3. Step 3: Cross multiply
    990,105.32x = 1,366,346.90 × 537,396.52
  4. Step 4: Simplify right side
    990,105.32x = 734,270,069,172.79
  5. Step 5: Solve for x
    x = 734,270,069,172.79/990,105.32
  6. Step 6: Final answer
    x = 741,608.04

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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.