Home / 1,225,134.86-1,838,839.52-626,523.80

Finding the Fourth Proportional to 1,225,134.86, 1,838,839.52 and 626,523.80

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Solution

The fourth proportional to 1,225,134.86, 1,838,839.52 and 626,523.80 is: 940,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,134.86 : 1,838,839.52 = 626,523.80 : x
  2. Step 2: Convert to fraction form
    1,225,134.86/1,838,839.52 = 626,523.80/x
  3. Step 3: Cross multiply
    1,225,134.86x = 1,838,839.52 × 626,523.80
  4. Step 4: Simplify right side
    1,225,134.86x = 1,152,076,716,032.69
  5. Step 5: Solve for x
    x = 1,152,076,716,032.69/1,225,134.86
  6. Step 6: Final answer
    x = 940,367.27

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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.