Home / 1,000,289.01-1,380,398.73-541,403.50

Finding the Fourth Proportional to 1,000,289.01, 1,380,398.73 and 541,403.50

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Solution

The fourth proportional to 1,000,289.01, 1,380,398.73 and 541,403.50 is: 747,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,289.01 : 1,380,398.73 = 541,403.50 : x
  2. Step 2: Convert to fraction form
    1,000,289.01/1,380,398.73 = 541,403.50/x
  3. Step 3: Cross multiply
    1,000,289.01x = 1,380,398.73 × 541,403.50
  4. Step 4: Simplify right side
    1,000,289.01x = 747,352,703,969.94
  5. Step 5: Solve for x
    x = 747,352,703,969.94/1,000,289.01
  6. Step 6: Final answer
    x = 747,136.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.