Home / 1,790,320.52-2,470,642.30-985,504.52

Finding the Fourth Proportional to 1,790,320.52, 2,470,642.30 and 985,504.52

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Solution

The fourth proportional to 1,790,320.52, 2,470,642.30 and 985,504.52 is: 1,359,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,320.52 : 2,470,642.30 = 985,504.52 : x
  2. Step 2: Convert to fraction form
    1,790,320.52/2,470,642.30 = 985,504.52/x
  3. Step 3: Cross multiply
    1,790,320.52x = 2,470,642.30 × 985,504.52
  4. Step 4: Simplify right side
    1,790,320.52x = 2,434,829,153,953.20
  5. Step 5: Solve for x
    x = 2,434,829,153,953.20/1,790,320.52
  6. Step 6: Final answer
    x = 1,359,996.23

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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.