Home / 1,434,792.62-1,980,103.37-790,212.65

Finding the Fourth Proportional to 1,434,792.62, 1,980,103.37 and 790,212.65

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Solution

The fourth proportional to 1,434,792.62, 1,980,103.37 and 790,212.65 is: 1,090,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,792.62 : 1,980,103.37 = 790,212.65 : x
  2. Step 2: Convert to fraction form
    1,434,792.62/1,980,103.37 = 790,212.65/x
  3. Step 3: Cross multiply
    1,434,792.62x = 1,980,103.37 × 790,212.65
  4. Step 4: Simplify right side
    1,434,792.62x = 1,564,702,717,430.05
  5. Step 5: Solve for x
    x = 1,564,702,717,430.05/1,434,792.62
  6. Step 6: Final answer
    x = 1,090,542.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.