Home / 1,601,255.40-2,385,763.95-1,578,160.68

Finding the Fourth Proportional to 1,601,255.40, 2,385,763.95 and 1,578,160.68

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Solution

The fourth proportional to 1,601,255.40, 2,385,763.95 and 1,578,160.68 is: 2,351,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,255.40 : 2,385,763.95 = 1,578,160.68 : x
  2. Step 2: Convert to fraction form
    1,601,255.40/2,385,763.95 = 1,578,160.68/x
  3. Step 3: Cross multiply
    1,601,255.40x = 2,385,763.95 × 1,578,160.68
  4. Step 4: Simplify right side
    1,601,255.40x = 3,765,118,857,651.49
  5. Step 5: Solve for x
    x = 3,765,118,857,651.49/1,601,255.40
  6. Step 6: Final answer
    x = 2,351,354.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.