Home / 1,555,059.72-2,146,003.88-866,712.36

Finding the Fourth Proportional to 1,555,059.72, 2,146,003.88 and 866,712.36

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Solution

The fourth proportional to 1,555,059.72, 2,146,003.88 and 866,712.36 is: 1,196,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,059.72 : 2,146,003.88 = 866,712.36 : x
  2. Step 2: Convert to fraction form
    1,555,059.72/2,146,003.88 = 866,712.36/x
  3. Step 3: Cross multiply
    1,555,059.72x = 2,146,003.88 × 866,712.36
  4. Step 4: Simplify right side
    1,555,059.72x = 1,859,968,087,403.96
  5. Step 5: Solve for x
    x = 1,859,968,087,403.96/1,555,059.72
  6. Step 6: Final answer
    x = 1,196,075.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.