Home / 1,591,389.16-2,387,060.35-393,311.58

Finding the Fourth Proportional to 1,591,389.16, 2,387,060.35 and 393,311.58

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Solution

The fourth proportional to 1,591,389.16, 2,387,060.35 and 393,311.58 is: 589,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,389.16 : 2,387,060.35 = 393,311.58 : x
  2. Step 2: Convert to fraction form
    1,591,389.16/2,387,060.35 = 393,311.58/x
  3. Step 3: Cross multiply
    1,591,389.16x = 2,387,060.35 × 393,311.58
  4. Step 4: Simplify right side
    1,591,389.16x = 938,858,476,830.57
  5. Step 5: Solve for x
    x = 938,858,476,830.57/1,591,389.16
  6. Step 6: Final answer
    x = 589,961.59

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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.