Home / 1,309,727.16-1,807,416.63-736,771.50

Finding the Fourth Proportional to 1,309,727.16, 1,807,416.63 and 736,771.50

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Solution

The fourth proportional to 1,309,727.16, 1,807,416.63 and 736,771.50 is: 1,016,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,727.16 : 1,807,416.63 = 736,771.50 : x
  2. Step 2: Convert to fraction form
    1,309,727.16/1,807,416.63 = 736,771.50/x
  3. Step 3: Cross multiply
    1,309,727.16x = 1,807,416.63 × 736,771.50
  4. Step 4: Simplify right side
    1,309,727.16x = 1,331,653,061,610.05
  5. Step 5: Solve for x
    x = 1,331,653,061,610.05/1,309,727.16
  6. Step 6: Final answer
    x = 1,016,740.82

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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.