Home / 1,668,552.70-2,499,968.41-1,120,417.62

Finding the Fourth Proportional to 1,668,552.70, 2,499,968.41 and 1,120,417.62

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Solution

The fourth proportional to 1,668,552.70, 2,499,968.41 and 1,120,417.62 is: 1,678,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,552.70 : 2,499,968.41 = 1,120,417.62 : x
  2. Step 2: Convert to fraction form
    1,668,552.70/2,499,968.41 = 1,120,417.62/x
  3. Step 3: Cross multiply
    1,668,552.70x = 2,499,968.41 × 1,120,417.62
  4. Step 4: Simplify right side
    1,668,552.70x = 2,801,008,637,905.45
  5. Step 5: Solve for x
    x = 2,801,008,637,905.45/1,668,552.70
  6. Step 6: Final answer
    x = 1,678,705.53

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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.