Home / 1,119,130.07-1,678,531.16-550,358.30

Finding the Fourth Proportional to 1,119,130.07, 1,678,531.16 and 550,358.30

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Solution

The fourth proportional to 1,119,130.07, 1,678,531.16 and 550,358.30 is: 825,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,130.07 : 1,678,531.16 = 550,358.30 : x
  2. Step 2: Convert to fraction form
    1,119,130.07/1,678,531.16 = 550,358.30/x
  3. Step 3: Cross multiply
    1,119,130.07x = 1,678,531.16 × 550,358.30
  4. Step 4: Simplify right side
    1,119,130.07x = 923,793,548,749.35
  5. Step 5: Solve for x
    x = 923,793,548,749.35/1,119,130.07
  6. Step 6: Final answer
    x = 825,456.82

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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.