Home / 1,038,784.12-1,558,768.11-829,750.66

Finding the Fourth Proportional to 1,038,784.12, 1,558,768.11 and 829,750.66

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Solution

The fourth proportional to 1,038,784.12, 1,558,768.11 and 829,750.66 is: 1,245,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,784.12 : 1,558,768.11 = 829,750.66 : x
  2. Step 2: Convert to fraction form
    1,038,784.12/1,558,768.11 = 829,750.66/x
  3. Step 3: Cross multiply
    1,038,784.12x = 1,558,768.11 × 829,750.66
  4. Step 4: Simplify right side
    1,038,784.12x = 1,293,388,868,059.45
  5. Step 5: Solve for x
    x = 1,293,388,868,059.45/1,038,784.12
  6. Step 6: Final answer
    x = 1,245,098.81

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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.