Home / 972,051.45-1,458,077.18-720,109.05

Finding the Fourth Proportional to 972,051.45, 1,458,077.18 and 720,109.05

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Solution

The fourth proportional to 972,051.45, 1,458,077.18 and 720,109.05 is: 1,080,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,051.45 : 1,458,077.18 = 720,109.05 : x
  2. Step 2: Convert to fraction form
    972,051.45/1,458,077.18 = 720,109.05/x
  3. Step 3: Cross multiply
    972,051.45x = 1,458,077.18 × 720,109.05
  4. Step 4: Simplify right side
    972,051.45x = 1,049,974,569,315.93
  5. Step 5: Solve for x
    x = 1,049,974,569,315.93/972,051.45
  6. Step 6: Final answer
    x = 1,080,163.58

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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.