Home / 1,257,435.87-1,885,997.88-358,956.33

Finding the Fourth Proportional to 1,257,435.87, 1,885,997.88 and 358,956.33

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Solution

The fourth proportional to 1,257,435.87, 1,885,997.88 and 358,956.33 is: 538,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,435.87 : 1,885,997.88 = 358,956.33 : x
  2. Step 2: Convert to fraction form
    1,257,435.87/1,885,997.88 = 358,956.33/x
  3. Step 3: Cross multiply
    1,257,435.87x = 1,885,997.88 × 358,956.33
  4. Step 4: Simplify right side
    1,257,435.87x = 676,990,877,392.58
  5. Step 5: Solve for x
    x = 676,990,877,392.58/1,257,435.87
  6. Step 6: Final answer
    x = 538,389.98

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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.