Home / 1,470,698.40-2,206,174.67-405,740.45

Finding the Fourth Proportional to 1,470,698.40, 2,206,174.67 and 405,740.45

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Solution

The fourth proportional to 1,470,698.40, 2,206,174.67 and 405,740.45 is: 608,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,698.40 : 2,206,174.67 = 405,740.45 : x
  2. Step 2: Convert to fraction form
    1,470,698.40/2,206,174.67 = 405,740.45/x
  3. Step 3: Cross multiply
    1,470,698.40x = 2,206,174.67 × 405,740.45
  4. Step 4: Simplify right side
    1,470,698.40x = 895,134,290,324.83
  5. Step 5: Solve for x
    x = 895,134,290,324.83/1,470,698.40
  6. Step 6: Final answer
    x = 608,645.72

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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.