Home / 1,434,843.58-1,980,174.03-790,263.63

Finding the Fourth Proportional to 1,434,843.58, 1,980,174.03 and 790,263.63

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Solution

The fourth proportional to 1,434,843.58, 1,980,174.03 and 790,263.63 is: 1,090,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,843.58 : 1,980,174.03 = 790,263.63 : x
  2. Step 2: Convert to fraction form
    1,434,843.58/1,980,174.03 = 790,263.63/x
  3. Step 3: Cross multiply
    1,434,843.58x = 1,980,174.03 × 790,263.63
  4. Step 4: Simplify right side
    1,434,843.58x = 1,564,859,516,979.53
  5. Step 5: Solve for x
    x = 1,564,859,516,979.53/1,434,843.58
  6. Step 6: Final answer
    x = 1,090,613.32

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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.