Home / 1,114,778.74-1,670,574.03-890,820.22

Finding the Fourth Proportional to 1,114,778.74, 1,670,574.03 and 890,820.22

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Solution

The fourth proportional to 1,114,778.74, 1,670,574.03 and 890,820.22 is: 1,334,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,778.74 : 1,670,574.03 = 890,820.22 : x
  2. Step 2: Convert to fraction form
    1,114,778.74/1,670,574.03 = 890,820.22/x
  3. Step 3: Cross multiply
    1,114,778.74x = 1,670,574.03 × 890,820.22
  4. Step 4: Simplify right side
    1,114,778.74x = 1,488,181,124,930.89
  5. Step 5: Solve for x
    x = 1,488,181,124,930.89/1,114,778.74
  6. Step 6: Final answer
    x = 1,334,956.50

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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.