Home / 1,309,526.02-1,807,164.57-772,982.02

Finding the Fourth Proportional to 1,309,526.02, 1,807,164.57 and 772,982.02

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Solution

The fourth proportional to 1,309,526.02, 1,807,164.57 and 772,982.02 is: 1,066,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,526.02 : 1,807,164.57 = 772,982.02 : x
  2. Step 2: Convert to fraction form
    1,309,526.02/1,807,164.57 = 772,982.02/x
  3. Step 3: Cross multiply
    1,309,526.02x = 1,807,164.57 × 772,982.02
  4. Step 4: Simplify right side
    1,309,526.02x = 1,396,905,719,791.03
  5. Step 5: Solve for x
    x = 1,396,905,719,791.03/1,309,526.02
  6. Step 6: Final answer
    x = 1,066,726.20

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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.