Home / 1,392,859.68-2,089,880.01-761,035.38

Finding the Fourth Proportional to 1,392,859.68, 2,089,880.01 and 761,035.38

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Solution

The fourth proportional to 1,392,859.68, 2,089,880.01 and 761,035.38 is: 1,141,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,859.68 : 2,089,880.01 = 761,035.38 : x
  2. Step 2: Convert to fraction form
    1,392,859.68/2,089,880.01 = 761,035.38/x
  3. Step 3: Cross multiply
    1,392,859.68x = 2,089,880.01 × 761,035.38
  4. Step 4: Simplify right side
    1,392,859.68x = 1,590,472,627,564.75
  5. Step 5: Solve for x
    x = 1,590,472,627,564.75/1,392,859.68
  6. Step 6: Final answer
    x = 1,141,875.70

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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.