Home / 1,235,079.63-1,851,069.24-666,437.76

Finding the Fourth Proportional to 1,235,079.63, 1,851,069.24 and 666,437.76

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Solution

The fourth proportional to 1,235,079.63, 1,851,069.24 and 666,437.76 is: 998,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,079.63 : 1,851,069.24 = 666,437.76 : x
  2. Step 2: Convert to fraction form
    1,235,079.63/1,851,069.24 = 666,437.76/x
  3. Step 3: Cross multiply
    1,235,079.63x = 1,851,069.24 × 666,437.76
  4. Step 4: Simplify right side
    1,235,079.63x = 1,233,622,437,910.50
  5. Step 5: Solve for x
    x = 1,233,622,437,910.50/1,235,079.63
  6. Step 6: Final answer
    x = 998,820.16

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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.