Home / 1,425,457.14-1,967,131.65-780,900.66

Finding the Fourth Proportional to 1,425,457.14, 1,967,131.65 and 780,900.66

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Solution

The fourth proportional to 1,425,457.14, 1,967,131.65 and 780,900.66 is: 1,077,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,457.14 : 1,967,131.65 = 780,900.66 : x
  2. Step 2: Convert to fraction form
    1,425,457.14/1,967,131.65 = 780,900.66/x
  3. Step 3: Cross multiply
    1,425,457.14x = 1,967,131.65 × 780,900.66
  4. Step 4: Simplify right side
    1,425,457.14x = 1,536,134,403,791.89
  5. Step 5: Solve for x
    x = 1,536,134,403,791.89/1,425,457.14
  6. Step 6: Final answer
    x = 1,077,643.35

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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.