Home / 1,042,985.48-1,564,722.21-323,289.50

Finding the Fourth Proportional to 1,042,985.48, 1,564,722.21 and 323,289.50

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Solution

The fourth proportional to 1,042,985.48, 1,564,722.21 and 323,289.50 is: 485,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,985.48 : 1,564,722.21 = 323,289.50 : x
  2. Step 2: Convert to fraction form
    1,042,985.48/1,564,722.21 = 323,289.50/x
  3. Step 3: Cross multiply
    1,042,985.48x = 1,564,722.21 × 323,289.50
  4. Step 4: Simplify right side
    1,042,985.48x = 505,858,253,086.18
  5. Step 5: Solve for x
    x = 505,858,253,086.18/1,042,985.48
  6. Step 6: Final answer
    x = 485,009.87

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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.