Home / 1,152,378.89-1,728,568.34-310,930.64

Finding the Fourth Proportional to 1,152,378.89, 1,728,568.34 and 310,930.64

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Solution

The fourth proportional to 1,152,378.89, 1,728,568.34 and 310,930.64 is: 466,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,378.89 : 1,728,568.34 = 310,930.64 : x
  2. Step 2: Convert to fraction form
    1,152,378.89/1,728,568.34 = 310,930.64/x
  3. Step 3: Cross multiply
    1,152,378.89x = 1,728,568.34 × 310,930.64
  4. Step 4: Simplify right side
    1,152,378.89x = 537,464,863,006.71
  5. Step 5: Solve for x
    x = 537,464,863,006.71/1,152,378.89
  6. Step 6: Final answer
    x = 466,395.96

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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.