Home / 1,346,151.20-2,019,226.80-493,221.20

Finding the Fourth Proportional to 1,346,151.20, 2,019,226.80 and 493,221.20

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Solution

The fourth proportional to 1,346,151.20, 2,019,226.80 and 493,221.20 is: 739,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,151.20 : 2,019,226.80 = 493,221.20 : x
  2. Step 2: Convert to fraction form
    1,346,151.20/2,019,226.80 = 493,221.20/x
  3. Step 3: Cross multiply
    1,346,151.20x = 2,019,226.80 × 493,221.20
  4. Step 4: Simplify right side
    1,346,151.20x = 995,925,465,368.16
  5. Step 5: Solve for x
    x = 995,925,465,368.16/1,346,151.20
  6. Step 6: Final answer
    x = 739,831.80

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Double scale
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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.