Home / 1,800,731.98-2,700,100.80-736,521.38

Finding the Fourth Proportional to 1,800,731.98, 2,700,100.80 and 736,521.38

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Solution

The fourth proportional to 1,800,731.98, 2,700,100.80 and 736,521.38 is: 1,104,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,731.98 : 2,700,100.80 = 736,521.38 : x
  2. Step 2: Convert to fraction form
    1,800,731.98/2,700,100.80 = 736,521.38/x
  3. Step 3: Cross multiply
    1,800,731.98x = 2,700,100.80 × 736,521.38
  4. Step 4: Simplify right side
    1,800,731.98x = 1,988,681,967,355.10
  5. Step 5: Solve for x
    x = 1,988,681,967,355.10/1,800,731.98
  6. Step 6: Final answer
    x = 1,104,374.22

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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.