Home / 1,465,710.08-2,022,220.80-821,043.20

Finding the Fourth Proportional to 1,465,710.08, 2,022,220.80 and 821,043.20

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Solution

The fourth proportional to 1,465,710.08, 2,022,220.80 and 821,043.20 is: 1,132,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,710.08 : 2,022,220.80 = 821,043.20 : x
  2. Step 2: Convert to fraction form
    1,465,710.08/2,022,220.80 = 821,043.20/x
  3. Step 3: Cross multiply
    1,465,710.08x = 2,022,220.80 × 821,043.20
  4. Step 4: Simplify right side
    1,465,710.08x = 1,660,330,636,738.56
  5. Step 5: Solve for x
    x = 1,660,330,636,738.56/1,465,710.08
  6. Step 6: Final answer
    x = 1,132,782.44

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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.