Home / 1,470,081.85-2,205,275.32-405,124.09

Finding the Fourth Proportional to 1,470,081.85, 2,205,275.32 and 405,124.09

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Solution

The fourth proportional to 1,470,081.85, 2,205,275.32 and 405,124.09 is: 607,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,081.85 : 2,205,275.32 = 405,124.09 : x
  2. Step 2: Convert to fraction form
    1,470,081.85/2,205,275.32 = 405,124.09/x
  3. Step 3: Cross multiply
    1,470,081.85x = 2,205,275.32 × 405,124.09
  4. Step 4: Simplify right side
    1,470,081.85x = 893,410,152,207.68
  5. Step 5: Solve for x
    x = 893,410,152,207.68/1,470,081.85
  6. Step 6: Final answer
    x = 607,728.17

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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.