Home / 1,309,541.80-1,807,149.54-736,582.36

Finding the Fourth Proportional to 1,309,541.80, 1,807,149.54 and 736,582.36

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Solution

The fourth proportional to 1,309,541.80, 1,807,149.54 and 736,582.36 is: 1,016,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,541.80 : 1,807,149.54 = 736,582.36 : x
  2. Step 2: Convert to fraction form
    1,309,541.80/1,807,149.54 = 736,582.36/x
  3. Step 3: Cross multiply
    1,309,541.80x = 1,807,149.54 × 736,582.36
  4. Step 4: Simplify right side
    1,309,541.80x = 1,331,114,473,046.11
  5. Step 5: Solve for x
    x = 1,331,114,473,046.11/1,309,541.80
  6. Step 6: Final answer
    x = 1,016,473.45

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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.