Home / 1,309,529.52-1,807,169.40-772,985.52

Finding the Fourth Proportional to 1,309,529.52, 1,807,169.40 and 772,985.52

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Solution

The fourth proportional to 1,309,529.52, 1,807,169.40 and 772,985.52 is: 1,066,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,529.52 : 1,807,169.40 = 772,985.52 : x
  2. Step 2: Convert to fraction form
    1,309,529.52/1,807,169.40 = 772,985.52/x
  3. Step 3: Cross multiply
    1,309,529.52x = 1,807,169.40 × 772,985.52
  4. Step 4: Simplify right side
    1,309,529.52x = 1,396,915,778,387.09
  5. Step 5: Solve for x
    x = 1,396,915,778,387.09/1,309,529.52
  6. Step 6: Final answer
    x = 1,066,731.03

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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.