Home / 1,557,712.45-2,332,632.07-1,242,784.45

Finding the Fourth Proportional to 1,557,712.45, 2,332,632.07 and 1,242,784.45

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Solution

The fourth proportional to 1,557,712.45, 2,332,632.07 and 1,242,784.45 is: 1,861,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,712.45 : 2,332,632.07 = 1,242,784.45 : x
  2. Step 2: Convert to fraction form
    1,557,712.45/2,332,632.07 = 1,242,784.45/x
  3. Step 3: Cross multiply
    1,557,712.45x = 2,332,632.07 × 1,242,784.45
  4. Step 4: Simplify right side
    1,557,712.45x = 2,898,958,864,167.31
  5. Step 5: Solve for x
    x = 2,898,958,864,167.31/1,557,712.45
  6. Step 6: Final answer
    x = 1,861,035.95

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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.