Home / 1,078,355.34-1,617,740.37-413,455.50

Finding the Fourth Proportional to 1,078,355.34, 1,617,740.37 and 413,455.50

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Solution

The fourth proportional to 1,078,355.34, 1,617,740.37 and 413,455.50 is: 620,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,355.34 : 1,617,740.37 = 413,455.50 : x
  2. Step 2: Convert to fraction form
    1,078,355.34/1,617,740.37 = 413,455.50/x
  3. Step 3: Cross multiply
    1,078,355.34x = 1,617,740.37 × 413,455.50
  4. Step 4: Simplify right side
    1,078,355.34x = 668,863,653,548.54
  5. Step 5: Solve for x
    x = 668,863,653,548.54/1,078,355.34
  6. Step 6: Final answer
    x = 620,262.75

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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.