Home / 1,298,759.58-1,792,294.86-725,809.32

Finding the Fourth Proportional to 1,298,759.58, 1,792,294.86 and 725,809.32

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Solution

The fourth proportional to 1,298,759.58, 1,792,294.86 and 725,809.32 is: 1,001,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,759.58 : 1,792,294.86 = 725,809.32 : x
  2. Step 2: Convert to fraction form
    1,298,759.58/1,792,294.86 = 725,809.32/x
  3. Step 3: Cross multiply
    1,298,759.58x = 1,792,294.86 × 725,809.32
  4. Step 4: Simplify right side
    1,298,759.58x = 1,300,864,313,576.10
  5. Step 5: Solve for x
    x = 1,300,864,313,576.10/1,298,759.58
  6. Step 6: Final answer
    x = 1,001,620.57

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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.