Home / 1,698,144.49-2,343,458.75-972,977.65

Finding the Fourth Proportional to 1,698,144.49, 2,343,458.75 and 972,977.65

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Solution

The fourth proportional to 1,698,144.49, 2,343,458.75 and 972,977.65 is: 1,342,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,144.49 : 2,343,458.75 = 972,977.65 : x
  2. Step 2: Convert to fraction form
    1,698,144.49/2,343,458.75 = 972,977.65/x
  3. Step 3: Cross multiply
    1,698,144.49x = 2,343,458.75 × 972,977.65
  4. Step 4: Simplify right side
    1,698,144.49x = 2,280,132,987,446.94
  5. Step 5: Solve for x
    x = 2,280,132,987,446.94/1,698,144.49
  6. Step 6: Final answer
    x = 1,342,720.25

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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.