Home / 1,788,114.40-2,467,584.48-972,318.64

Finding the Fourth Proportional to 1,788,114.40, 2,467,584.48 and 972,318.64

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Solution

The fourth proportional to 1,788,114.40, 2,467,584.48 and 972,318.64 is: 1,341,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,114.40 : 2,467,584.48 = 972,318.64 : x
  2. Step 2: Convert to fraction form
    1,788,114.40/2,467,584.48 = 972,318.64/x
  3. Step 3: Cross multiply
    1,788,114.40x = 2,467,584.48 × 972,318.64
  4. Step 4: Simplify right side
    1,788,114.40x = 2,399,278,385,678.71
  5. Step 5: Solve for x
    x = 2,399,278,385,678.71/1,788,114.40
  6. Step 6: Final answer
    x = 1,341,792.44

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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.