Home / 1,320,609.78-1,980,594.27-609,953.94

Finding the Fourth Proportional to 1,320,609.78, 1,980,594.27 and 609,953.94

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Solution

The fourth proportional to 1,320,609.78, 1,980,594.27 and 609,953.94 is: 914,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,609.78 : 1,980,594.27 = 609,953.94 : x
  2. Step 2: Convert to fraction form
    1,320,609.78/1,980,594.27 = 609,953.94/x
  3. Step 3: Cross multiply
    1,320,609.78x = 1,980,594.27 × 609,953.94
  4. Step 4: Simplify right side
    1,320,609.78x = 1,208,071,278,527.92
  5. Step 5: Solve for x
    x = 1,208,071,278,527.92/1,320,609.78
  6. Step 6: Final answer
    x = 914,782.93

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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.