Home / 1,389,698.04-2,084,589.18-478,869.24

Finding the Fourth Proportional to 1,389,698.04, 2,084,589.18 and 478,869.24

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Solution

The fourth proportional to 1,389,698.04, 2,084,589.18 and 478,869.24 is: 718,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,698.04 : 2,084,589.18 = 478,869.24 : x
  2. Step 2: Convert to fraction form
    1,389,698.04/2,084,589.18 = 478,869.24/x
  3. Step 3: Cross multiply
    1,389,698.04x = 2,084,589.18 × 478,869.24
  4. Step 4: Simplify right side
    1,389,698.04x = 998,245,636,338.82
  5. Step 5: Solve for x
    x = 998,245,636,338.82/1,389,698.04
  6. Step 6: Final answer
    x = 718,318.37

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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.