Home / 1,853,329.76-2,778,929.91-987,698.73

Finding the Fourth Proportional to 1,853,329.76, 2,778,929.91 and 987,698.73

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Solution

The fourth proportional to 1,853,329.76, 2,778,929.91 and 987,698.73 is: 1,480,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,329.76 : 2,778,929.91 = 987,698.73 : x
  2. Step 2: Convert to fraction form
    1,853,329.76/2,778,929.91 = 987,698.73/x
  3. Step 3: Cross multiply
    1,853,329.76x = 2,778,929.91 × 987,698.73
  4. Step 4: Simplify right side
    1,853,329.76x = 2,744,745,542,866.01
  5. Step 5: Solve for x
    x = 2,744,745,542,866.01/1,853,329.76
  6. Step 6: Final answer
    x = 1,480,980.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.