Home / 1,394,585.45-2,092,999.01-720,864.10

Finding the Fourth Proportional to 1,394,585.45, 2,092,999.01 and 720,864.10

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Solution

The fourth proportional to 1,394,585.45, 2,092,999.01 and 720,864.10 is: 1,081,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,585.45 : 2,092,999.01 = 720,864.10 : x
  2. Step 2: Convert to fraction form
    1,394,585.45/2,092,999.01 = 720,864.10/x
  3. Step 3: Cross multiply
    1,394,585.45x = 2,092,999.01 × 720,864.10
  4. Step 4: Simplify right side
    1,394,585.45x = 1,508,767,838,807.72
  5. Step 5: Solve for x
    x = 1,508,767,838,807.72/1,394,585.45
  6. Step 6: Final answer
    x = 1,081,875.51

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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.