Home / 1,803,965.52-2,489,512.55-1,029,580.86

Finding the Fourth Proportional to 1,803,965.52, 2,489,512.55 and 1,029,580.86

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Solution

The fourth proportional to 1,803,965.52, 2,489,512.55 and 1,029,580.86 is: 1,420,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,965.52 : 2,489,512.55 = 1,029,580.86 : x
  2. Step 2: Convert to fraction form
    1,803,965.52/2,489,512.55 = 1,029,580.86/x
  3. Step 3: Cross multiply
    1,803,965.52x = 2,489,512.55 × 1,029,580.86
  4. Step 4: Simplify right side
    1,803,965.52x = 2,563,154,467,061.89
  5. Step 5: Solve for x
    x = 2,563,154,467,061.89/1,803,965.52
  6. Step 6: Final answer
    x = 1,420,844.49

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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.