Home / 1,307,358.80-1,803,958.64-734,289.20

Finding the Fourth Proportional to 1,307,358.80, 1,803,958.64 and 734,289.20

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Solution

The fourth proportional to 1,307,358.80, 1,803,958.64 and 734,289.20 is: 1,013,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,358.80 : 1,803,958.64 = 734,289.20 : x
  2. Step 2: Convert to fraction form
    1,307,358.80/1,803,958.64 = 734,289.20/x
  3. Step 3: Cross multiply
    1,307,358.80x = 1,803,958.64 × 734,289.20
  4. Step 4: Simplify right side
    1,307,358.80x = 1,324,627,346,598.69
  5. Step 5: Solve for x
    x = 1,324,627,346,598.69/1,307,358.80
  6. Step 6: Final answer
    x = 1,013,208.73

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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.