Home / 1,630,999.80-2,250,703.35-905,891.76

Finding the Fourth Proportional to 1,630,999.80, 2,250,703.35 and 905,891.76

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Solution

The fourth proportional to 1,630,999.80, 2,250,703.35 and 905,891.76 is: 1,250,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,999.80 : 2,250,703.35 = 905,891.76 : x
  2. Step 2: Convert to fraction form
    1,630,999.80/2,250,703.35 = 905,891.76/x
  3. Step 3: Cross multiply
    1,630,999.80x = 2,250,703.35 × 905,891.76
  4. Step 4: Simplify right side
    1,630,999.80x = 2,038,893,618,969.40
  5. Step 5: Solve for x
    x = 2,038,893,618,969.40/1,630,999.80
  6. Step 6: Final answer
    x = 1,250,088.21

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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.