Home / 1,556,162.85-2,147,461.95-867,855.63

Finding the Fourth Proportional to 1,556,162.85, 2,147,461.95 and 867,855.63

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Solution

The fourth proportional to 1,556,162.85, 2,147,461.95 and 867,855.63 is: 1,197,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,162.85 : 2,147,461.95 = 867,855.63 : x
  2. Step 2: Convert to fraction form
    1,556,162.85/2,147,461.95 = 867,855.63/x
  3. Step 3: Cross multiply
    1,556,162.85x = 2,147,461.95 × 867,855.63
  4. Step 4: Simplify right side
    1,556,162.85x = 1,863,686,943,518.28
  5. Step 5: Solve for x
    x = 1,863,686,943,518.28/1,556,162.85
  6. Step 6: Final answer
    x = 1,197,616.91

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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.