Home / 1,260,290.83-1,890,717.31-361,662.53

Finding the Fourth Proportional to 1,260,290.83, 1,890,717.31 and 361,662.53

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Solution

The fourth proportional to 1,260,290.83, 1,890,717.31 and 361,662.53 is: 542,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,290.83 : 1,890,717.31 = 361,662.53 : x
  2. Step 2: Convert to fraction form
    1,260,290.83/1,890,717.31 = 361,662.53/x
  3. Step 3: Cross multiply
    1,260,290.83x = 1,890,717.31 × 361,662.53
  4. Step 4: Simplify right side
    1,260,290.83x = 683,801,605,448.82
  5. Step 5: Solve for x
    x = 683,801,605,448.82/1,260,290.83
  6. Step 6: Final answer
    x = 542,574.45

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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.