Home / 1,515,646.75-2,091,592.70-836,583.43

Finding the Fourth Proportional to 1,515,646.75, 2,091,592.70 and 836,583.43

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Solution

The fourth proportional to 1,515,646.75, 2,091,592.70 and 836,583.43 is: 1,154,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,646.75 : 2,091,592.70 = 836,583.43 : x
  2. Step 2: Convert to fraction form
    1,515,646.75/2,091,592.70 = 836,583.43/x
  3. Step 3: Cross multiply
    1,515,646.75x = 2,091,592.70 × 836,583.43
  4. Step 4: Simplify right side
    1,515,646.75x = 1,749,791,795,128.96
  5. Step 5: Solve for x
    x = 1,749,791,795,128.96/1,515,646.75
  6. Step 6: Final answer
    x = 1,154,485.24

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1.5x scale

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.