Home / 1,260,644.52-1,739,708.10-716,713.32

Finding the Fourth Proportional to 1,260,644.52, 1,739,708.10 and 716,713.32

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Solution

The fourth proportional to 1,260,644.52, 1,739,708.10 and 716,713.32 is: 989,074.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,644.52 : 1,739,708.10 = 716,713.32 : x
  2. Step 2: Convert to fraction form
    1,260,644.52/1,739,708.10 = 716,713.32/x
  3. Step 3: Cross multiply
    1,260,644.52x = 1,739,708.10 × 716,713.32
  4. Step 4: Simplify right side
    1,260,644.52x = 1,246,871,968,181.89
  5. Step 5: Solve for x
    x = 1,246,871,968,181.89/1,260,644.52
  6. Step 6: Final answer
    x = 989,074.99

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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.