Home / 1,111,714.80-1,668,349.80-713,324.40

Finding the Fourth Proportional to 1,111,714.80, 1,668,349.80 and 713,324.40

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Solution

The fourth proportional to 1,111,714.80, 1,668,349.80 and 713,324.40 is: 1,070,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,714.80 : 1,668,349.80 = 713,324.40 : x
  2. Step 2: Convert to fraction form
    1,111,714.80/1,668,349.80 = 713,324.40/x
  3. Step 3: Cross multiply
    1,111,714.80x = 1,668,349.80 × 713,324.40
  4. Step 4: Simplify right side
    1,111,714.80x = 1,190,074,620,075.12
  5. Step 5: Solve for x
    x = 1,190,074,620,075.12/1,111,714.80
  6. Step 6: Final answer
    x = 1,070,485.54

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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.