Home / 986,320.08-1,355,896.69-847,989.38

Finding the Fourth Proportional to 986,320.08, 1,355,896.69 and 847,989.38

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Solution

The fourth proportional to 986,320.08, 1,355,896.69 and 847,989.38 is: 1,165,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,320.08 : 1,355,896.69 = 847,989.38 : x
  2. Step 2: Convert to fraction form
    986,320.08/1,355,896.69 = 847,989.38/x
  3. Step 3: Cross multiply
    986,320.08x = 1,355,896.69 × 847,989.38
  4. Step 4: Simplify right side
    986,320.08x = 1,149,785,994,766.92
  5. Step 5: Solve for x
    x = 1,149,785,994,766.92/986,320.08
  6. Step 6: Final answer
    x = 1,165,733.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.