Home / 1,281,448.62-1,768,243.23-708,409.26

Finding the Fourth Proportional to 1,281,448.62, 1,768,243.23 and 708,409.26

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Solution

The fourth proportional to 1,281,448.62, 1,768,243.23 and 708,409.26 is: 977,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,448.62 : 1,768,243.23 = 708,409.26 : x
  2. Step 2: Convert to fraction form
    1,281,448.62/1,768,243.23 = 708,409.26/x
  3. Step 3: Cross multiply
    1,281,448.62x = 1,768,243.23 × 708,409.26
  4. Step 4: Simplify right side
    1,281,448.62x = 1,252,639,878,064.31
  5. Step 5: Solve for x
    x = 1,252,639,878,064.31/1,281,448.62
  6. Step 6: Final answer
    x = 977,518.61

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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.