Home / 1,072,470.80-1,614,504.26-977,021.46

Finding the Fourth Proportional to 1,072,470.80, 1,614,504.26 and 977,021.46

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Solution

The fourth proportional to 1,072,470.80, 1,614,504.26 and 977,021.46 is: 1,470,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,470.80 : 1,614,504.26 = 977,021.46 : x
  2. Step 2: Convert to fraction form
    1,072,470.80/1,614,504.26 = 977,021.46/x
  3. Step 3: Cross multiply
    1,072,470.80x = 1,614,504.26 × 977,021.46
  4. Step 4: Simplify right side
    1,072,470.80x = 1,577,405,311,723.97
  5. Step 5: Solve for x
    x = 1,577,405,311,723.97/1,072,470.80
  6. Step 6: Final answer
    x = 1,470,814.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.