Home / 1,128,951.70-1,557,364.85-693,467.20

Finding the Fourth Proportional to 1,128,951.70, 1,557,364.85 and 693,467.20

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Solution

The fourth proportional to 1,128,951.70, 1,557,364.85 and 693,467.20 is: 956,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,951.70 : 1,557,364.85 = 693,467.20 : x
  2. Step 2: Convert to fraction form
    1,128,951.70/1,557,364.85 = 693,467.20/x
  3. Step 3: Cross multiply
    1,128,951.70x = 1,557,364.85 × 693,467.20
  4. Step 4: Simplify right side
    1,128,951.70x = 1,079,981,440,558.08
  5. Step 5: Solve for x
    x = 1,079,981,440,558.08/1,128,951.70
  6. Step 6: Final answer
    x = 956,623.25

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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.