Home / 1,405,294.69-2,107,934.99-340,336.72

Finding the Fourth Proportional to 1,405,294.69, 2,107,934.99 and 340,336.72

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Solution

The fourth proportional to 1,405,294.69, 2,107,934.99 and 340,336.72 is: 510,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,294.69 : 2,107,934.99 = 340,336.72 : x
  2. Step 2: Convert to fraction form
    1,405,294.69/2,107,934.99 = 340,336.72/x
  3. Step 3: Cross multiply
    1,405,294.69x = 2,107,934.99 × 340,336.72
  4. Step 4: Simplify right side
    1,405,294.69x = 717,407,678,768.15
  5. Step 5: Solve for x
    x = 717,407,678,768.15/1,405,294.69
  6. Step 6: Final answer
    x = 510,503.37

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1.5x scale

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.