Home / 1,309,776.80-1,807,596.96-736,782.80

Finding the Fourth Proportional to 1,309,776.80, 1,807,596.96 and 736,782.80

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Solution

The fourth proportional to 1,309,776.80, 1,807,596.96 and 736,782.80 is: 1,016,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,776.80 : 1,807,596.96 = 736,782.80 : x
  2. Step 2: Convert to fraction form
    1,309,776.80/1,807,596.96 = 736,782.80/x
  3. Step 3: Cross multiply
    1,309,776.80x = 1,807,596.96 × 736,782.80
  4. Step 4: Simplify right side
    1,309,776.80x = 1,331,806,349,460.29
  5. Step 5: Solve for x
    x = 1,331,806,349,460.29/1,309,776.80
  6. Step 6: Final answer
    x = 1,016,819.32

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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.