Home / 1,434,797.70-1,980,110.36-790,217.72

Finding the Fourth Proportional to 1,434,797.70, 1,980,110.36 and 790,217.72

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Solution

The fourth proportional to 1,434,797.70, 1,980,110.36 and 790,217.72 is: 1,090,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,797.70 : 1,980,110.36 = 790,217.72 : x
  2. Step 2: Convert to fraction form
    1,434,797.70/1,980,110.36 = 790,217.72/x
  3. Step 3: Cross multiply
    1,434,797.70x = 1,980,110.36 × 790,217.72
  4. Step 4: Simplify right side
    1,434,797.70x = 1,564,718,294,027.58
  5. Step 5: Solve for x
    x = 1,564,718,294,027.58/1,434,797.70
  6. Step 6: Final answer
    x = 1,090,549.76

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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.