Home / 1,295,077.80-1,942,616.70-408,613.80

Finding the Fourth Proportional to 1,295,077.80, 1,942,616.70 and 408,613.80

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Solution

The fourth proportional to 1,295,077.80, 1,942,616.70 and 408,613.80 is: 612,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,077.80 : 1,942,616.70 = 408,613.80 : x
  2. Step 2: Convert to fraction form
    1,295,077.80/1,942,616.70 = 408,613.80/x
  3. Step 3: Cross multiply
    1,295,077.80x = 1,942,616.70 × 408,613.80
  4. Step 4: Simplify right side
    1,295,077.80x = 793,779,991,730.46
  5. Step 5: Solve for x
    x = 793,779,991,730.46/1,295,077.80
  6. Step 6: Final answer
    x = 612,920.70

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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.