Home / 1,375,955.15-1,899,717.41-893,894.18

Finding the Fourth Proportional to 1,375,955.15, 1,899,717.41 and 893,894.18

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Solution

The fourth proportional to 1,375,955.15, 1,899,717.41 and 893,894.18 is: 1,234,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,955.15 : 1,899,717.41 = 893,894.18 : x
  2. Step 2: Convert to fraction form
    1,375,955.15/1,899,717.41 = 893,894.18/x
  3. Step 3: Cross multiply
    1,375,955.15x = 1,899,717.41 × 893,894.18
  4. Step 4: Simplify right side
    1,375,955.15x = 1,698,146,331,974.20
  5. Step 5: Solve for x
    x = 1,698,146,331,974.20/1,375,955.15
  6. Step 6: Final answer
    x = 1,234,158.20

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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.