Home / 1,369,168.20-2,052,002.70-657,664.20

Finding the Fourth Proportional to 1,369,168.20, 2,052,002.70 and 657,664.20

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Solution

The fourth proportional to 1,369,168.20, 2,052,002.70 and 657,664.20 is: 985,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,168.20 : 2,052,002.70 = 657,664.20 : x
  2. Step 2: Convert to fraction form
    1,369,168.20/2,052,002.70 = 657,664.20/x
  3. Step 3: Cross multiply
    1,369,168.20x = 2,052,002.70 × 657,664.20
  4. Step 4: Simplify right side
    1,369,168.20x = 1,349,528,714,093.34
  5. Step 5: Solve for x
    x = 1,349,528,714,093.34/1,369,168.20
  6. Step 6: Final answer
    x = 985,655.90

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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.