Home / 1,674,965.40-2,311,434.95-911,018.76

Finding the Fourth Proportional to 1,674,965.40, 2,311,434.95 and 911,018.76

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Solution

The fourth proportional to 1,674,965.40, 2,311,434.95 and 911,018.76 is: 1,257,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,965.40 : 2,311,434.95 = 911,018.76 : x
  2. Step 2: Convert to fraction form
    1,674,965.40/2,311,434.95 = 911,018.76/x
  3. Step 3: Cross multiply
    1,674,965.40x = 2,311,434.95 × 911,018.76
  4. Step 4: Simplify right side
    1,674,965.40x = 2,105,760,597,414.57
  5. Step 5: Solve for x
    x = 2,105,760,597,414.57/1,674,965.40
  6. Step 6: Final answer
    x = 1,257,196.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.