Home / 999,097.49-1,378,751.58-540,208.80

Finding the Fourth Proportional to 999,097.49, 1,378,751.58 and 540,208.80

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Solution

The fourth proportional to 999,097.49, 1,378,751.58 and 540,208.80 is: 745,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,097.49 : 1,378,751.58 = 540,208.80 : x
  2. Step 2: Convert to fraction form
    999,097.49/1,378,751.58 = 540,208.80/x
  3. Step 3: Cross multiply
    999,097.49x = 1,378,751.58 × 540,208.80
  4. Step 4: Simplify right side
    999,097.49x = 744,813,736,529.90
  5. Step 5: Solve for x
    x = 744,813,736,529.90/999,097.49
  6. Step 6: Final answer
    x = 745,486.54

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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.