Home / 1,515,535.14-2,091,289.59-836,427.90

Finding the Fourth Proportional to 1,515,535.14, 2,091,289.59 and 836,427.90

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Solution

The fourth proportional to 1,515,535.14, 2,091,289.59 and 836,427.90 is: 1,154,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,535.14 : 2,091,289.59 = 836,427.90 : x
  2. Step 2: Convert to fraction form
    1,515,535.14/2,091,289.59 = 836,427.90/x
  3. Step 3: Cross multiply
    1,515,535.14x = 2,091,289.59 × 836,427.90
  4. Step 4: Simplify right side
    1,515,535.14x = 1,749,212,960,055.56
  5. Step 5: Solve for x
    x = 1,749,212,960,055.56/1,515,535.14
  6. Step 6: Final answer
    x = 1,154,188.32

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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.