Home / 1,436,336.88-2,154,820.86-425,538.24

Finding the Fourth Proportional to 1,436,336.88, 2,154,820.86 and 425,538.24

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Solution

The fourth proportional to 1,436,336.88, 2,154,820.86 and 425,538.24 is: 638,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,336.88 : 2,154,820.86 = 425,538.24 : x
  2. Step 2: Convert to fraction form
    1,436,336.88/2,154,820.86 = 425,538.24/x
  3. Step 3: Cross multiply
    1,436,336.88x = 2,154,820.86 × 425,538.24
  4. Step 4: Simplify right side
    1,436,336.88x = 916,958,676,279.69
  5. Step 5: Solve for x
    x = 916,958,676,279.69/1,436,336.88
  6. Step 6: Final answer
    x = 638,400.84

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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.