Home / 1,259,161.20-1,889,011.73-406,281.69

Finding the Fourth Proportional to 1,259,161.20, 1,889,011.73 and 406,281.69

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Solution

The fourth proportional to 1,259,161.20, 1,889,011.73 and 406,281.69 is: 609,509.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,161.20 : 1,889,011.73 = 406,281.69 : x
  2. Step 2: Convert to fraction form
    1,259,161.20/1,889,011.73 = 406,281.69/x
  3. Step 3: Cross multiply
    1,259,161.20x = 1,889,011.73 × 406,281.69
  4. Step 4: Simplify right side
    1,259,161.20x = 767,470,879,109.93
  5. Step 5: Solve for x
    x = 767,470,879,109.93/1,259,161.20
  6. Step 6: Final answer
    x = 609,509.63

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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.