Home / 1,256,986.45-1,885,489.25-358,427.43

Finding the Fourth Proportional to 1,256,986.45, 1,885,489.25 and 358,427.43

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Solution

The fourth proportional to 1,256,986.45, 1,885,489.25 and 358,427.43 is: 537,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,986.45 : 1,885,489.25 = 358,427.43 : x
  2. Step 2: Convert to fraction form
    1,256,986.45/1,885,489.25 = 358,427.43/x
  3. Step 3: Cross multiply
    1,256,986.45x = 1,885,489.25 × 358,427.43
  4. Step 4: Simplify right side
    1,256,986.45x = 675,811,064,377.99
  5. Step 5: Solve for x
    x = 675,811,064,377.99/1,256,986.45
  6. Step 6: Final answer
    x = 537,643.87

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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.