Home / 1,008,567.40-1,511,295.90-874,820.20

Finding the Fourth Proportional to 1,008,567.40, 1,511,295.90 and 874,820.20

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Solution

The fourth proportional to 1,008,567.40, 1,511,295.90 and 874,820.20 is: 1,310,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,567.40 : 1,511,295.90 = 874,820.20 : x
  2. Step 2: Convert to fraction form
    1,008,567.40/1,511,295.90 = 874,820.20/x
  3. Step 3: Cross multiply
    1,008,567.40x = 1,511,295.90 × 874,820.20
  4. Step 4: Simplify right side
    1,008,567.40x = 1,322,112,181,497.18
  5. Step 5: Solve for x
    x = 1,322,112,181,497.18/1,008,567.40
  6. Step 6: Final answer
    x = 1,310,881.34

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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.