Home / 1,697,279.80-2,342,242.80-972,362.20

Finding the Fourth Proportional to 1,697,279.80, 2,342,242.80 and 972,362.20

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Solution

The fourth proportional to 1,697,279.80, 2,342,242.80 and 972,362.20 is: 1,341,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,279.80 : 2,342,242.80 = 972,362.20 : x
  2. Step 2: Convert to fraction form
    1,697,279.80/2,342,242.80 = 972,362.20/x
  3. Step 3: Cross multiply
    1,697,279.80x = 2,342,242.80 × 972,362.20
  4. Step 4: Simplify right side
    1,697,279.80x = 2,277,508,361,942.16
  5. Step 5: Solve for x
    x = 2,277,508,361,942.16/1,697,279.80
  6. Step 6: Final answer
    x = 1,341,857.93

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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.