Home / 1,246,598.10-1,721,724.32-837,991.34

Finding the Fourth Proportional to 1,246,598.10, 1,721,724.32 and 837,991.34

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Solution

The fourth proportional to 1,246,598.10, 1,721,724.32 and 837,991.34 is: 1,157,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,598.10 : 1,721,724.32 = 837,991.34 : x
  2. Step 2: Convert to fraction form
    1,246,598.10/1,721,724.32 = 837,991.34/x
  3. Step 3: Cross multiply
    1,246,598.10x = 1,721,724.32 × 837,991.34
  4. Step 4: Simplify right side
    1,246,598.10x = 1,442,790,057,228.81
  5. Step 5: Solve for x
    x = 1,442,790,057,228.81/1,246,598.10
  6. Step 6: Final answer
    x = 1,157,381.88

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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.