Home / 1,235,710.05-1,850,219.85-874,395.78

Finding the Fourth Proportional to 1,235,710.05, 1,850,219.85 and 874,395.78

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Solution

The fourth proportional to 1,235,710.05, 1,850,219.85 and 874,395.78 is: 1,309,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,710.05 : 1,850,219.85 = 874,395.78 : x
  2. Step 2: Convert to fraction form
    1,235,710.05/1,850,219.85 = 874,395.78/x
  3. Step 3: Cross multiply
    1,235,710.05x = 1,850,219.85 × 874,395.78
  4. Step 4: Simplify right side
    1,235,710.05x = 1,617,824,425,252.89
  5. Step 5: Solve for x
    x = 1,617,824,425,252.89/1,235,710.05
  6. Step 6: Final answer
    x = 1,309,226.57

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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.