Home / 1,097,682.90-1,646,524.35-720,984.30

Finding the Fourth Proportional to 1,097,682.90, 1,646,524.35 and 720,984.30

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Solution

The fourth proportional to 1,097,682.90, 1,646,524.35 and 720,984.30 is: 1,081,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,682.90 : 1,646,524.35 = 720,984.30 : x
  2. Step 2: Convert to fraction form
    1,097,682.90/1,646,524.35 = 720,984.30/x
  3. Step 3: Cross multiply
    1,097,682.90x = 1,646,524.35 × 720,984.30
  4. Step 4: Simplify right side
    1,097,682.90x = 1,187,118,205,917.71
  5. Step 5: Solve for x
    x = 1,187,118,205,917.71/1,097,682.90
  6. Step 6: Final answer
    x = 1,081,476.45

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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.