Home / 1,052,973.81-1,579,657.56-421,936.83

Finding the Fourth Proportional to 1,052,973.81, 1,579,657.56 and 421,936.83

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Solution

The fourth proportional to 1,052,973.81, 1,579,657.56 and 421,936.83 is: 632,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,973.81 : 1,579,657.56 = 421,936.83 : x
  2. Step 2: Convert to fraction form
    1,052,973.81/1,579,657.56 = 421,936.83/x
  3. Step 3: Cross multiply
    1,052,973.81x = 1,579,657.56 × 421,936.83
  4. Step 4: Simplify right side
    1,052,973.81x = 666,515,703,351.94
  5. Step 5: Solve for x
    x = 666,515,703,351.94/1,052,973.81
  6. Step 6: Final answer
    x = 632,984.12

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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.