Home / 1,131,967.52-1,562,992.00-869,907.74

Finding the Fourth Proportional to 1,131,967.52, 1,562,992.00 and 869,907.74

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Solution

The fourth proportional to 1,131,967.52, 1,562,992.00 and 869,907.74 is: 1,201,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,967.52 : 1,562,992.00 = 869,907.74 : x
  2. Step 2: Convert to fraction form
    1,131,967.52/1,562,992.00 = 869,907.74/x
  3. Step 3: Cross multiply
    1,131,967.52x = 1,562,992.00 × 869,907.74
  4. Step 4: Simplify right side
    1,131,967.52x = 1,359,658,828,368.35
  5. Step 5: Solve for x
    x = 1,359,658,828,368.35/1,131,967.52
  6. Step 6: Final answer
    x = 1,201,146.50

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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.