Home / 1,040,280.70-1,559,977.96-408,751.50

Finding the Fourth Proportional to 1,040,280.70, 1,559,977.96 and 408,751.50

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Solution

The fourth proportional to 1,040,280.70, 1,559,977.96 and 408,751.50 is: 612,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,280.70 : 1,559,977.96 = 408,751.50 : x
  2. Step 2: Convert to fraction form
    1,040,280.70/1,559,977.96 = 408,751.50/x
  3. Step 3: Cross multiply
    1,040,280.70x = 1,559,977.96 × 408,751.50
  4. Step 4: Simplify right side
    1,040,280.70x = 637,643,331,116.94
  5. Step 5: Solve for x
    x = 637,643,331,116.94/1,040,280.70
  6. Step 6: Final answer
    x = 612,953.15

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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.