Home / 1,478,943.86-2,218,660.91-519,150.42

Finding the Fourth Proportional to 1,478,943.86, 2,218,660.91 and 519,150.42

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Solution

The fourth proportional to 1,478,943.86, 2,218,660.91 and 519,150.42 is: 778,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,943.86 : 2,218,660.91 = 519,150.42 : x
  2. Step 2: Convert to fraction form
    1,478,943.86/2,218,660.91 = 519,150.42/x
  3. Step 3: Cross multiply
    1,478,943.86x = 2,218,660.91 × 519,150.42
  4. Step 4: Simplify right side
    1,478,943.86x = 1,151,818,740,668.33
  5. Step 5: Solve for x
    x = 1,151,818,740,668.33/1,478,943.86
  6. Step 6: Final answer
    x = 778,811.67

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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.