Home / 1,530,128.60-2,295,279.30-465,205.40

Finding the Fourth Proportional to 1,530,128.60, 2,295,279.30 and 465,205.40

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Solution

The fourth proportional to 1,530,128.60, 2,295,279.30 and 465,205.40 is: 697,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,128.60 : 2,295,279.30 = 465,205.40 : x
  2. Step 2: Convert to fraction form
    1,530,128.60/2,295,279.30 = 465,205.40/x
  3. Step 3: Cross multiply
    1,530,128.60x = 2,295,279.30 × 465,205.40
  4. Step 4: Simplify right side
    1,530,128.60x = 1,067,776,324,868.22
  5. Step 5: Solve for x
    x = 1,067,776,324,868.22/1,530,128.60
  6. Step 6: Final answer
    x = 697,834.37

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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.