Home / 1,008,945.04-1,513,504.80-289,289.92

Finding the Fourth Proportional to 1,008,945.04, 1,513,504.80 and 289,289.92

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Solution

The fourth proportional to 1,008,945.04, 1,513,504.80 and 289,289.92 is: 433,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,945.04 : 1,513,504.80 = 289,289.92 : x
  2. Step 2: Convert to fraction form
    1,008,945.04/1,513,504.80 = 289,289.92/x
  3. Step 3: Cross multiply
    1,008,945.04x = 1,513,504.80 × 289,289.92
  4. Step 4: Simplify right side
    1,008,945.04x = 437,841,682,511.62
  5. Step 5: Solve for x
    x = 437,841,682,511.62/1,008,945.04
  6. Step 6: Final answer
    x = 433,959.89

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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.