Home / 1,307,115.54-1,803,783.45-726,323.67

Finding the Fourth Proportional to 1,307,115.54, 1,803,783.45 and 726,323.67

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Solution

The fourth proportional to 1,307,115.54, 1,803,783.45 and 726,323.67 is: 1,002,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,115.54 : 1,803,783.45 = 726,323.67 : x
  2. Step 2: Convert to fraction form
    1,307,115.54/1,803,783.45 = 726,323.67/x
  3. Step 3: Cross multiply
    1,307,115.54x = 1,803,783.45 × 726,323.67
  4. Step 4: Simplify right side
    1,307,115.54x = 1,310,130,615,289.26
  5. Step 5: Solve for x
    x = 1,310,130,615,289.26/1,307,115.54
  6. Step 6: Final answer
    x = 1,002,306.66

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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.