Home / 1,586,313.40-2,189,115.18-907,249.90

Finding the Fourth Proportional to 1,586,313.40, 2,189,115.18 and 907,249.90

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Solution

The fourth proportional to 1,586,313.40, 2,189,115.18 and 907,249.90 is: 1,252,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,313.40 : 2,189,115.18 = 907,249.90 : x
  2. Step 2: Convert to fraction form
    1,586,313.40/2,189,115.18 = 907,249.90/x
  3. Step 3: Cross multiply
    1,586,313.40x = 2,189,115.18 × 907,249.90
  4. Step 4: Simplify right side
    1,586,313.40x = 1,986,074,528,143.48
  5. Step 5: Solve for x
    x = 1,986,074,528,143.48/1,586,313.40
  6. Step 6: Final answer
    x = 1,252,006.40

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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.