Home / 1,245,864.50-1,869,108.87-359,400.50

Finding the Fourth Proportional to 1,245,864.50, 1,869,108.87 and 359,400.50

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Solution

The fourth proportional to 1,245,864.50, 1,869,108.87 and 359,400.50 is: 539,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,864.50 : 1,869,108.87 = 359,400.50 : x
  2. Step 2: Convert to fraction form
    1,245,864.50/1,869,108.87 = 359,400.50/x
  3. Step 3: Cross multiply
    1,245,864.50x = 1,869,108.87 × 359,400.50
  4. Step 4: Simplify right side
    1,245,864.50x = 671,758,662,432.44
  5. Step 5: Solve for x
    x = 671,758,662,432.44/1,245,864.50
  6. Step 6: Final answer
    x = 539,190.79

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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.