Home / 1,260,315.98-1,890,464.25-313,680.32

Finding the Fourth Proportional to 1,260,315.98, 1,890,464.25 and 313,680.32

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Solution

The fourth proportional to 1,260,315.98, 1,890,464.25 and 313,680.32 is: 470,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,315.98 : 1,890,464.25 = 313,680.32 : x
  2. Step 2: Convert to fraction form
    1,260,315.98/1,890,464.25 = 313,680.32/x
  3. Step 3: Cross multiply
    1,260,315.98x = 1,890,464.25 × 313,680.32
  4. Step 4: Simplify right side
    1,260,315.98x = 593,001,430,888.56
  5. Step 5: Solve for x
    x = 593,001,430,888.56/1,260,315.98
  6. Step 6: Final answer
    x = 470,518.06

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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.