Home / 1,309,911.90-1,807,549.74-736,939.77

Finding the Fourth Proportional to 1,309,911.90, 1,807,549.74 and 736,939.77

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Solution

The fourth proportional to 1,309,911.90, 1,807,549.74 and 736,939.77 is: 1,016,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,911.90 : 1,807,549.74 = 736,939.77 : x
  2. Step 2: Convert to fraction form
    1,309,911.90/1,807,549.74 = 736,939.77/x
  3. Step 3: Cross multiply
    1,309,911.90x = 1,807,549.74 × 736,939.77
  4. Step 4: Simplify right side
    1,309,911.90x = 1,332,055,289,659.16
  5. Step 5: Solve for x
    x = 1,332,055,289,659.16/1,309,911.90
  6. Step 6: Final answer
    x = 1,016,904.49

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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.