Home / 1,152,938.51-1,590,934.31-669,409.21

Finding the Fourth Proportional to 1,152,938.51, 1,590,934.31 and 669,409.21

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Solution

The fourth proportional to 1,152,938.51, 1,590,934.31 and 669,409.21 is: 923,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,938.51 : 1,590,934.31 = 669,409.21 : x
  2. Step 2: Convert to fraction form
    1,152,938.51/1,590,934.31 = 669,409.21/x
  3. Step 3: Cross multiply
    1,152,938.51x = 1,590,934.31 × 669,409.21
  4. Step 4: Simplify right side
    1,152,938.51x = 1,064,986,084,536.33
  5. Step 5: Solve for x
    x = 1,064,986,084,536.33/1,152,938.51
  6. Step 6: Final answer
    x = 923,714.56

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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.