Home / 1,116,699.48-1,541,580.66-687,347.64

Finding the Fourth Proportional to 1,116,699.48, 1,541,580.66 and 687,347.64

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Solution

The fourth proportional to 1,116,699.48, 1,541,580.66 and 687,347.64 is: 948,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,699.48 : 1,541,580.66 = 687,347.64 : x
  2. Step 2: Convert to fraction form
    1,116,699.48/1,541,580.66 = 687,347.64/x
  3. Step 3: Cross multiply
    1,116,699.48x = 1,541,580.66 × 687,347.64
  4. Step 4: Simplify right side
    1,116,699.48x = 1,059,601,828,520.64
  5. Step 5: Solve for x
    x = 1,059,601,828,520.64/1,116,699.48
  6. Step 6: Final answer
    x = 948,869.28

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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.