Home / 1,170,644.96-1,615,457.04-687,202.40

Finding the Fourth Proportional to 1,170,644.96, 1,615,457.04 and 687,202.40

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Solution

The fourth proportional to 1,170,644.96, 1,615,457.04 and 687,202.40 is: 948,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,644.96 : 1,615,457.04 = 687,202.40 : x
  2. Step 2: Convert to fraction form
    1,170,644.96/1,615,457.04 = 687,202.40/x
  3. Step 3: Cross multiply
    1,170,644.96x = 1,615,457.04 × 687,202.40
  4. Step 4: Simplify right side
    1,170,644.96x = 1,110,145,954,984.90
  5. Step 5: Solve for x
    x = 1,110,145,954,984.90/1,170,644.96
  6. Step 6: Final answer
    x = 948,319.94

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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.