Home / 1,145,886.64-1,581,884.56-716,305.16

Finding the Fourth Proportional to 1,145,886.64, 1,581,884.56 and 716,305.16

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Solution

The fourth proportional to 1,145,886.64, 1,581,884.56 and 716,305.16 is: 988,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,886.64 : 1,581,884.56 = 716,305.16 : x
  2. Step 2: Convert to fraction form
    1,145,886.64/1,581,884.56 = 716,305.16/x
  3. Step 3: Cross multiply
    1,145,886.64x = 1,581,884.56 × 716,305.16
  4. Step 4: Simplify right side
    1,145,886.64x = 1,133,112,072,852.33
  5. Step 5: Solve for x
    x = 1,133,112,072,852.33/1,145,886.64
  6. Step 6: Final answer
    x = 988,851.81

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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.