Home / 1,426,920.99-2,140,420.44-416,018.51

Finding the Fourth Proportional to 1,426,920.99, 2,140,420.44 and 416,018.51

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Solution

The fourth proportional to 1,426,920.99, 2,140,420.44 and 416,018.51 is: 624,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,920.99 : 2,140,420.44 = 416,018.51 : x
  2. Step 2: Convert to fraction form
    1,426,920.99/2,140,420.44 = 416,018.51/x
  3. Step 3: Cross multiply
    1,426,920.99x = 2,140,420.44 × 416,018.51
  4. Step 4: Simplify right side
    1,426,920.99x = 890,454,511,520.24
  5. Step 5: Solve for x
    x = 890,454,511,520.24/1,426,920.99
  6. Step 6: Final answer
    x = 624,039.11

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Double scale
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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.