Home / 1,655,642.88-2,482,124.88-517,819.68

Finding the Fourth Proportional to 1,655,642.88, 2,482,124.88 and 517,819.68

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Solution

The fourth proportional to 1,655,642.88, 2,482,124.88 and 517,819.68 is: 776,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,642.88 : 2,482,124.88 = 517,819.68 : x
  2. Step 2: Convert to fraction form
    1,655,642.88/2,482,124.88 = 517,819.68/x
  3. Step 3: Cross multiply
    1,655,642.88x = 2,482,124.88 × 517,819.68
  4. Step 4: Simplify right side
    1,655,642.88x = 1,285,293,111,081.64
  5. Step 5: Solve for x
    x = 1,285,293,111,081.64/1,655,642.88
  6. Step 6: Final answer
    x = 776,310.60

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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.