Home / 1,097,284.40-1,645,707.90-528,664.40

Finding the Fourth Proportional to 1,097,284.40, 1,645,707.90 and 528,664.40

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Solution

The fourth proportional to 1,097,284.40, 1,645,707.90 and 528,664.40 is: 792,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,284.40 : 1,645,707.90 = 528,664.40 : x
  2. Step 2: Convert to fraction form
    1,097,284.40/1,645,707.90 = 528,664.40/x
  3. Step 3: Cross multiply
    1,097,284.40x = 1,645,707.90 × 528,664.40
  4. Step 4: Simplify right side
    1,097,284.40x = 870,027,179,528.76
  5. Step 5: Solve for x
    x = 870,027,179,528.76/1,097,284.40
  6. Step 6: Final answer
    x = 792,891.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.