Home / 1,308,535.16-1,962,802.58-422,071.16

Finding the Fourth Proportional to 1,308,535.16, 1,962,802.58 and 422,071.16

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Solution

The fourth proportional to 1,308,535.16, 1,962,802.58 and 422,071.16 is: 633,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,535.16 : 1,962,802.58 = 422,071.16 : x
  2. Step 2: Convert to fraction form
    1,308,535.16/1,962,802.58 = 422,071.16/x
  3. Step 3: Cross multiply
    1,308,535.16x = 1,962,802.58 × 422,071.16
  4. Step 4: Simplify right side
    1,308,535.16x = 828,442,361,791.59
  5. Step 5: Solve for x
    x = 828,442,361,791.59/1,308,535.16
  6. Step 6: Final answer
    x = 633,106.69

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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.