Home / 1,392,656.50-2,089,918.68-506,192.50

Finding the Fourth Proportional to 1,392,656.50, 2,089,918.68 and 506,192.50

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Solution

The fourth proportional to 1,392,656.50, 2,089,918.68 and 506,192.50 is: 759,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,656.50 : 2,089,918.68 = 506,192.50 : x
  2. Step 2: Convert to fraction form
    1,392,656.50/2,089,918.68 = 506,192.50/x
  3. Step 3: Cross multiply
    1,392,656.50x = 2,089,918.68 × 506,192.50
  4. Step 4: Simplify right side
    1,392,656.50x = 1,057,901,161,425.90
  5. Step 5: Solve for x
    x = 1,057,901,161,425.90/1,392,656.50
  6. Step 6: Final answer
    x = 759,628.21

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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.