Home / 972,642.58-1,455,974.20-829,153.51

Finding the Fourth Proportional to 972,642.58, 1,455,974.20 and 829,153.51

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Solution

The fourth proportional to 972,642.58, 1,455,974.20 and 829,153.51 is: 1,241,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,642.58 : 1,455,974.20 = 829,153.51 : x
  2. Step 2: Convert to fraction form
    972,642.58/1,455,974.20 = 829,153.51/x
  3. Step 3: Cross multiply
    972,642.58x = 1,455,974.20 × 829,153.51
  4. Step 4: Simplify right side
    972,642.58x = 1,207,226,112,686.62
  5. Step 5: Solve for x
    x = 1,207,226,112,686.62/972,642.58
  6. Step 6: Final answer
    x = 1,241,181.64

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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.