Home / 1,508,145.28-2,261,738.40-497,078.80

Finding the Fourth Proportional to 1,508,145.28, 2,261,738.40 and 497,078.80

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Solution

The fourth proportional to 1,508,145.28, 2,261,738.40 and 497,078.80 is: 745,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,145.28 : 2,261,738.40 = 497,078.80 : x
  2. Step 2: Convert to fraction form
    1,508,145.28/2,261,738.40 = 497,078.80/x
  3. Step 3: Cross multiply
    1,508,145.28x = 2,261,738.40 × 497,078.80
  4. Step 4: Simplify right side
    1,508,145.28x = 1,124,262,209,785.92
  5. Step 5: Solve for x
    x = 1,124,262,209,785.92/1,508,145.28
  6. Step 6: Final answer
    x = 745,460.15

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Double scale
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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.