Home / 1,418,493.80-2,128,032.30-472,543.40

Finding the Fourth Proportional to 1,418,493.80, 2,128,032.30 and 472,543.40

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Solution

The fourth proportional to 1,418,493.80, 2,128,032.30 and 472,543.40 is: 708,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,493.80 : 2,128,032.30 = 472,543.40 : x
  2. Step 2: Convert to fraction form
    1,418,493.80/2,128,032.30 = 472,543.40/x
  3. Step 3: Cross multiply
    1,418,493.80x = 2,128,032.30 × 472,543.40
  4. Step 4: Simplify right side
    1,418,493.80x = 1,005,587,618,351.82
  5. Step 5: Solve for x
    x = 1,005,587,618,351.82/1,418,493.80
  6. Step 6: Final answer
    x = 708,912.24

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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.