Home / 885,022.92-1,326,529.71-778,200.12

Finding the Fourth Proportional to 885,022.92, 1,326,529.71 and 778,200.12

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Solution

The fourth proportional to 885,022.92, 1,326,529.71 and 778,200.12 is: 1,166,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,022.92 : 1,326,529.71 = 778,200.12 : x
  2. Step 2: Convert to fraction form
    885,022.92/1,326,529.71 = 778,200.12/x
  3. Step 3: Cross multiply
    885,022.92x = 1,326,529.71 × 778,200.12
  4. Step 4: Simplify right side
    885,022.92x = 1,032,305,579,505.57
  5. Step 5: Solve for x
    x = 1,032,305,579,505.57/885,022.92
  6. Step 6: Final answer
    x = 1,166,416.77

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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.