Home / 1,515,644.50-2,091,589.60-836,581.18

Finding the Fourth Proportional to 1,515,644.50, 2,091,589.60 and 836,581.18

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Solution

The fourth proportional to 1,515,644.50, 2,091,589.60 and 836,581.18 is: 1,154,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,644.50 : 2,091,589.60 = 836,581.18 : x
  2. Step 2: Convert to fraction form
    1,515,644.50/2,091,589.60 = 836,581.18/x
  3. Step 3: Cross multiply
    1,515,644.50x = 2,091,589.60 × 836,581.18
  4. Step 4: Simplify right side
    1,515,644.50x = 1,749,784,495,643.73
  5. Step 5: Solve for x
    x = 1,749,784,495,643.73/1,515,644.50
  6. Step 6: Final answer
    x = 1,154,482.13

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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.