Home / 1,130,808.40-1,698,977.40-850,872.40

Finding the Fourth Proportional to 1,130,808.40, 1,698,977.40 and 850,872.40

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Solution

The fourth proportional to 1,130,808.40, 1,698,977.40 and 850,872.40 is: 1,278,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,808.40 : 1,698,977.40 = 850,872.40 : x
  2. Step 2: Convert to fraction form
    1,130,808.40/1,698,977.40 = 850,872.40/x
  3. Step 3: Cross multiply
    1,130,808.40x = 1,698,977.40 × 850,872.40
  4. Step 4: Simplify right side
    1,130,808.40x = 1,445,612,977,883.76
  5. Step 5: Solve for x
    x = 1,445,612,977,883.76/1,130,808.40
  6. Step 6: Final answer
    x = 1,278,388.96

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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.