Home / 1,556,010.31-2,147,332.20-867,675.45

Finding the Fourth Proportional to 1,556,010.31, 2,147,332.20 and 867,675.45

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Solution

The fourth proportional to 1,556,010.31, 2,147,332.20 and 867,675.45 is: 1,197,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,010.31 : 2,147,332.20 = 867,675.45 : x
  2. Step 2: Convert to fraction form
    1,556,010.31/2,147,332.20 = 867,675.45/x
  3. Step 3: Cross multiply
    1,556,010.31x = 2,147,332.20 × 867,675.45
  4. Step 4: Simplify right side
    1,556,010.31x = 1,863,187,432,934.49
  5. Step 5: Solve for x
    x = 1,863,187,432,934.49/1,556,010.31
  6. Step 6: Final answer
    x = 1,197,413.30

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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.