Home / 1,260,830.48-1,739,875.15-717,098.54

Finding the Fourth Proportional to 1,260,830.48, 1,739,875.15 and 717,098.54

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Solution

The fourth proportional to 1,260,830.48, 1,739,875.15 and 717,098.54 is: 989,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,830.48 : 1,739,875.15 = 717,098.54 : x
  2. Step 2: Convert to fraction form
    1,260,830.48/1,739,875.15 = 717,098.54/x
  3. Step 3: Cross multiply
    1,260,830.48x = 1,739,875.15 × 717,098.54
  4. Step 4: Simplify right side
    1,260,830.48x = 1,247,661,929,847.28
  5. Step 5: Solve for x
    x = 1,247,661,929,847.28/1,260,830.48
  6. Step 6: Final answer
    x = 989,555.65

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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.