Home / 1,590,283.46-2,385,414.25-643,640.51

Finding the Fourth Proportional to 1,590,283.46, 2,385,414.25 and 643,640.51

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Solution

The fourth proportional to 1,590,283.46, 2,385,414.25 and 643,640.51 is: 965,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,283.46 : 2,385,414.25 = 643,640.51 : x
  2. Step 2: Convert to fraction form
    1,590,283.46/2,385,414.25 = 643,640.51/x
  3. Step 3: Cross multiply
    1,590,283.46x = 2,385,414.25 × 643,640.51
  4. Step 4: Simplify right side
    1,590,283.46x = 1,535,349,248,785.70
  5. Step 5: Solve for x
    x = 1,535,349,248,785.70/1,590,283.46
  6. Step 6: Final answer
    x = 965,456.34

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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.