Home / 1,309,458.52-1,807,035.36-736,498.72

Finding the Fourth Proportional to 1,309,458.52, 1,807,035.36 and 736,498.72

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Solution

The fourth proportional to 1,309,458.52, 1,807,035.36 and 736,498.72 is: 1,016,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,458.52 : 1,807,035.36 = 736,498.72 : x
  2. Step 2: Convert to fraction form
    1,309,458.52/1,807,035.36 = 736,498.72/x
  3. Step 3: Cross multiply
    1,309,458.52x = 1,807,035.36 × 736,498.72
  4. Step 4: Simplify right side
    1,309,458.52x = 1,330,879,229,634.74
  5. Step 5: Solve for x
    x = 1,330,879,229,634.74/1,309,458.52
  6. Step 6: Final answer
    x = 1,016,358.45

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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.