Home / 1,434,477.92-1,979,579.52-789,896.58

Finding the Fourth Proportional to 1,434,477.92, 1,979,579.52 and 789,896.58

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Solution

The fourth proportional to 1,434,477.92, 1,979,579.52 and 789,896.58 is: 1,090,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,477.92 : 1,979,579.52 = 789,896.58 : x
  2. Step 2: Convert to fraction form
    1,434,477.92/1,979,579.52 = 789,896.58/x
  3. Step 3: Cross multiply
    1,434,477.92x = 1,979,579.52 × 789,896.58
  4. Step 4: Simplify right side
    1,434,477.92x = 1,563,663,092,686.04
  5. Step 5: Solve for x
    x = 1,563,663,092,686.04/1,434,477.92
  6. Step 6: Final answer
    x = 1,090,057.28

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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.