Home / 1,405,555.20-2,108,332.80-606,279.60

Finding the Fourth Proportional to 1,405,555.20, 2,108,332.80 and 606,279.60

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Solution

The fourth proportional to 1,405,555.20, 2,108,332.80 and 606,279.60 is: 909,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,555.20 : 2,108,332.80 = 606,279.60 : x
  2. Step 2: Convert to fraction form
    1,405,555.20/2,108,332.80 = 606,279.60/x
  3. Step 3: Cross multiply
    1,405,555.20x = 2,108,332.80 × 606,279.60
  4. Step 4: Simplify right side
    1,405,555.20x = 1,278,239,166,650.88
  5. Step 5: Solve for x
    x = 1,278,239,166,650.88/1,405,555.20
  6. Step 6: Final answer
    x = 909,419.40

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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.