Home / 1,262,670-1,742,474.16-689,710.32

Finding the Fourth Proportional to 1,262,670, 1,742,474.16 and 689,710.32

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Solution

The fourth proportional to 1,262,670, 1,742,474.16 and 689,710.32 is: 951,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,670 : 1,742,474.16 = 689,710.32 : x
  2. Step 2: Convert to fraction form
    1,262,670/1,742,474.16 = 689,710.32/x
  3. Step 3: Cross multiply
    1,262,670x = 1,742,474.16 × 689,710.32
  4. Step 4: Simplify right side
    1,262,670x = 1,201,802,410,485.33
  5. Step 5: Solve for x
    x = 1,201,802,410,485.33/1,262,670
  6. Step 6: Final answer
    x = 951,794.54

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Double scale
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1.5x scale

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.