Home / 1,392,859.31-2,089,879.45-761,035.01

Finding the Fourth Proportional to 1,392,859.31, 2,089,879.45 and 761,035.01

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Solution

The fourth proportional to 1,392,859.31, 2,089,879.45 and 761,035.01 is: 1,141,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,859.31 : 2,089,879.45 = 761,035.01 : x
  2. Step 2: Convert to fraction form
    1,392,859.31/2,089,879.45 = 761,035.01/x
  3. Step 3: Cross multiply
    1,392,859.31x = 2,089,879.45 × 761,035.01
  4. Step 4: Simplify right side
    1,392,859.31x = 1,590,471,415,777.56
  5. Step 5: Solve for x
    x = 1,590,471,415,777.56/1,392,859.31
  6. Step 6: Final answer
    x = 1,141,875.14

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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.