Home / 1,455,169.84-2,007,867.88-810,574

Finding the Fourth Proportional to 1,455,169.84, 2,007,867.88 and 810,574

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Solution

The fourth proportional to 1,455,169.84, 2,007,867.88 and 810,574 is: 1,118,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,169.84 : 2,007,867.88 = 810,574 : x
  2. Step 2: Convert to fraction form
    1,455,169.84/2,007,867.88 = 810,574/x
  3. Step 3: Cross multiply
    1,455,169.84x = 2,007,867.88 × 810,574
  4. Step 4: Simplify right side
    1,455,169.84x = 1,627,525,498,963.12
  5. Step 5: Solve for x
    x = 1,627,525,498,963.12/1,455,169.84
  6. Step 6: Final answer
    x = 1,118,443.67

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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.