Home / 1,069,621.55-1,604,009.76-339,882.33

Finding the Fourth Proportional to 1,069,621.55, 1,604,009.76 and 339,882.33

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Solution

The fourth proportional to 1,069,621.55, 1,604,009.76 and 339,882.33 is: 509,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,621.55 : 1,604,009.76 = 339,882.33 : x
  2. Step 2: Convert to fraction form
    1,069,621.55/1,604,009.76 = 339,882.33/x
  3. Step 3: Cross multiply
    1,069,621.55x = 1,604,009.76 × 339,882.33
  4. Step 4: Simplify right side
    1,069,621.55x = 545,174,574,571.54
  5. Step 5: Solve for x
    x = 545,174,574,571.54/1,069,621.55
  6. Step 6: Final answer
    x = 509,689.22

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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.