Home / 1,078,412.80-1,618,785.60-606,020.80

Finding the Fourth Proportional to 1,078,412.80, 1,618,785.60 and 606,020.80

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Solution

The fourth proportional to 1,078,412.80, 1,618,785.60 and 606,020.80 is: 909,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,412.80 : 1,618,785.60 = 606,020.80 : x
  2. Step 2: Convert to fraction form
    1,078,412.80/1,618,785.60 = 606,020.80/x
  3. Step 3: Cross multiply
    1,078,412.80x = 1,618,785.60 × 606,020.80
  4. Step 4: Simplify right side
    1,078,412.80x = 981,017,744,340.48
  5. Step 5: Solve for x
    x = 981,017,744,340.48/1,078,412.80
  6. Step 6: Final answer
    x = 909,686.67

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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.