Home / 1,260,114.56-1,739,289.60-716,568.96

Finding the Fourth Proportional to 1,260,114.56, 1,739,289.60 and 716,568.96

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Solution

The fourth proportional to 1,260,114.56, 1,739,289.60 and 716,568.96 is: 989,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,114.56 : 1,739,289.60 = 716,568.96 : x
  2. Step 2: Convert to fraction form
    1,260,114.56/1,739,289.60 = 716,568.96/x
  3. Step 3: Cross multiply
    1,260,114.56x = 1,739,289.60 × 716,568.96
  4. Step 4: Simplify right side
    1,260,114.56x = 1,246,320,939,810.82
  5. Step 5: Solve for x
    x = 1,246,320,939,810.82/1,260,114.56
  6. Step 6: Final answer
    x = 989,053.68

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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.