Home / 1,419,328.66-2,128,205.31-472,182.34

Finding the Fourth Proportional to 1,419,328.66, 2,128,205.31 and 472,182.34

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Solution

The fourth proportional to 1,419,328.66, 2,128,205.31 and 472,182.34 is: 708,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,328.66 : 2,128,205.31 = 472,182.34 : x
  2. Step 2: Convert to fraction form
    1,419,328.66/2,128,205.31 = 472,182.34/x
  3. Step 3: Cross multiply
    1,419,328.66x = 2,128,205.31 × 472,182.34
  4. Step 4: Simplify right side
    1,419,328.66x = 1,004,900,963,276.23
  5. Step 5: Solve for x
    x = 1,004,900,963,276.23/1,419,328.66
  6. Step 6: Final answer
    x = 708,011.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.