Home / 1,000,456.07-1,380,632.68-541,570.52

Finding the Fourth Proportional to 1,000,456.07, 1,380,632.68 and 541,570.52

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Solution

The fourth proportional to 1,000,456.07, 1,380,632.68 and 541,570.52 is: 747,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,456.07 : 1,380,632.68 = 541,570.52 : x
  2. Step 2: Convert to fraction form
    1,000,456.07/1,380,632.68 = 541,570.52/x
  3. Step 3: Cross multiply
    1,000,456.07x = 1,380,632.68 × 541,570.52
  4. Step 4: Simplify right side
    1,000,456.07x = 747,709,954,985.01
  5. Step 5: Solve for x
    x = 747,709,954,985.01/1,000,456.07
  6. Step 6: Final answer
    x = 747,369.10

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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.