Home / 1,392,655.50-2,089,917.18-506,191.50

Finding the Fourth Proportional to 1,392,655.50, 2,089,917.18 and 506,191.50

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Solution

The fourth proportional to 1,392,655.50, 2,089,917.18 and 506,191.50 is: 759,626.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,655.50 : 2,089,917.18 = 506,191.50 : x
  2. Step 2: Convert to fraction form
    1,392,655.50/2,089,917.18 = 506,191.50/x
  3. Step 3: Cross multiply
    1,392,655.50x = 2,089,917.18 × 506,191.50
  4. Step 4: Simplify right side
    1,392,655.50x = 1,057,898,312,219.97
  5. Step 5: Solve for x
    x = 1,057,898,312,219.97/1,392,655.50
  6. Step 6: Final answer
    x = 759,626.71

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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.