Home / 1,451,109.71-2,176,713.72-386,152.80

Finding the Fourth Proportional to 1,451,109.71, 2,176,713.72 and 386,152.80

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Solution

The fourth proportional to 1,451,109.71, 2,176,713.72 and 386,152.80 is: 579,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,109.71 : 2,176,713.72 = 386,152.80 : x
  2. Step 2: Convert to fraction form
    1,451,109.71/2,176,713.72 = 386,152.80/x
  3. Step 3: Cross multiply
    1,451,109.71x = 2,176,713.72 × 386,152.80
  4. Step 4: Simplify right side
    1,451,109.71x = 840,544,089,613.74
  5. Step 5: Solve for x
    x = 840,544,089,613.74/1,451,109.71
  6. Step 6: Final answer
    x = 579,242.27

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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.