Home / 1,329,420.94-1,993,713.15-430,654.16

Finding the Fourth Proportional to 1,329,420.94, 1,993,713.15 and 430,654.16

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Solution

The fourth proportional to 1,329,420.94, 1,993,713.15 and 430,654.16 is: 645,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,420.94 : 1,993,713.15 = 430,654.16 : x
  2. Step 2: Convert to fraction form
    1,329,420.94/1,993,713.15 = 430,654.16/x
  3. Step 3: Cross multiply
    1,329,420.94x = 1,993,713.15 × 430,654.16
  4. Step 4: Simplify right side
    1,329,420.94x = 858,600,854,856.37
  5. Step 5: Solve for x
    x = 858,600,854,856.37/1,329,420.94
  6. Step 6: Final answer
    x = 645,845.74

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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.