Home / 1,588,937.60-2,379,039.08-1,109,644.40

Finding the Fourth Proportional to 1,588,937.60, 2,379,039.08 and 1,109,644.40

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Solution

The fourth proportional to 1,588,937.60, 2,379,039.08 and 1,109,644.40 is: 1,661,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,937.60 : 2,379,039.08 = 1,109,644.40 : x
  2. Step 2: Convert to fraction form
    1,588,937.60/2,379,039.08 = 1,109,644.40/x
  3. Step 3: Cross multiply
    1,588,937.60x = 2,379,039.08 × 1,109,644.40
  4. Step 4: Simplify right side
    1,588,937.60x = 2,639,887,375,059.74
  5. Step 5: Solve for x
    x = 2,639,887,375,059.74/1,588,937.60
  6. Step 6: Final answer
    x = 1,661,416.65

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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.