Home / 1,425,186.03-1,966,756.98-780,629.29

Finding the Fourth Proportional to 1,425,186.03, 1,966,756.98 and 780,629.29

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Solution

The fourth proportional to 1,425,186.03, 1,966,756.98 and 780,629.29 is: 1,077,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,186.03 : 1,966,756.98 = 780,629.29 : x
  2. Step 2: Convert to fraction form
    1,425,186.03/1,966,756.98 = 780,629.29/x
  3. Step 3: Cross multiply
    1,425,186.03x = 1,966,756.98 × 780,629.29
  4. Step 4: Simplify right side
    1,425,186.03x = 1,535,308,104,899.94
  5. Step 5: Solve for x
    x = 1,535,308,104,899.94/1,425,186.03
  6. Step 6: Final answer
    x = 1,077,268.56

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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.