Home / 826,400.90-1,239,601.35-684,683.30

Finding the Fourth Proportional to 826,400.90, 1,239,601.35 and 684,683.30

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Solution

The fourth proportional to 826,400.90, 1,239,601.35 and 684,683.30 is: 1,027,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,400.90 : 1,239,601.35 = 684,683.30 : x
  2. Step 2: Convert to fraction form
    826,400.90/1,239,601.35 = 684,683.30/x
  3. Step 3: Cross multiply
    826,400.90x = 1,239,601.35 × 684,683.30
  4. Step 4: Simplify right side
    826,400.90x = 848,734,343,002.46
  5. Step 5: Solve for x
    x = 848,734,343,002.46/826,400.90
  6. Step 6: Final answer
    x = 1,027,024.95

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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.