Home / 1,370,059.20-1,890,651.83-749,861.37

Finding the Fourth Proportional to 1,370,059.20, 1,890,651.83 and 749,861.37

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Solution

The fourth proportional to 1,370,059.20, 1,890,651.83 and 749,861.37 is: 1,034,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,059.20 : 1,890,651.83 = 749,861.37 : x
  2. Step 2: Convert to fraction form
    1,370,059.20/1,890,651.83 = 749,861.37/x
  3. Step 3: Cross multiply
    1,370,059.20x = 1,890,651.83 × 749,861.37
  4. Step 4: Simplify right side
    1,370,059.20x = 1,417,726,767,687.50
  5. Step 5: Solve for x
    x = 1,417,726,767,687.50/1,370,059.20
  6. Step 6: Final answer
    x = 1,034,792.34

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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.