Home / 1,446,872.13-1,996,276.32-1,139,997.15

Finding the Fourth Proportional to 1,446,872.13, 1,996,276.32 and 1,139,997.15

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Solution

The fourth proportional to 1,446,872.13, 1,996,276.32 and 1,139,997.15 is: 1,572,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,872.13 : 1,996,276.32 = 1,139,997.15 : x
  2. Step 2: Convert to fraction form
    1,446,872.13/1,996,276.32 = 1,139,997.15/x
  3. Step 3: Cross multiply
    1,446,872.13x = 1,996,276.32 × 1,139,997.15
  4. Step 4: Simplify right side
    1,446,872.13x = 2,275,749,315,412.49
  5. Step 5: Solve for x
    x = 2,275,749,315,412.49/1,446,872.13
  6. Step 6: Final answer
    x = 1,572,875.22

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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.