Home / 1,507,160.31-2,079,904.83-818,845.80

Finding the Fourth Proportional to 1,507,160.31, 2,079,904.83 and 818,845.80

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Solution

The fourth proportional to 1,507,160.31, 2,079,904.83 and 818,845.80 is: 1,130,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,160.31 : 2,079,904.83 = 818,845.80 : x
  2. Step 2: Convert to fraction form
    1,507,160.31/2,079,904.83 = 818,845.80/x
  3. Step 3: Cross multiply
    1,507,160.31x = 2,079,904.83 × 818,845.80
  4. Step 4: Simplify right side
    1,507,160.31x = 1,703,121,334,445.21
  5. Step 5: Solve for x
    x = 1,703,121,334,445.21/1,507,160.31
  6. Step 6: Final answer
    x = 1,130,020.03

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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.