Home / 1,618,323.90-2,425,456.02-858,289.47

Finding the Fourth Proportional to 1,618,323.90, 2,425,456.02 and 858,289.47

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Solution

The fourth proportional to 1,618,323.90, 2,425,456.02 and 858,289.47 is: 1,286,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,323.90 : 2,425,456.02 = 858,289.47 : x
  2. Step 2: Convert to fraction form
    1,618,323.90/2,425,456.02 = 858,289.47/x
  3. Step 3: Cross multiply
    1,618,323.90x = 2,425,456.02 × 858,289.47
  4. Step 4: Simplify right side
    1,618,323.90x = 2,081,743,361,914.11
  5. Step 5: Solve for x
    x = 2,081,743,361,914.11/1,618,323.90
  6. Step 6: Final answer
    x = 1,286,357.67

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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.