Home / 1,071,573.30-1,607,421.51-388,608.84

Finding the Fourth Proportional to 1,071,573.30, 1,607,421.51 and 388,608.84

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Solution

The fourth proportional to 1,071,573.30, 1,607,421.51 and 388,608.84 is: 582,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,573.30 : 1,607,421.51 = 388,608.84 : x
  2. Step 2: Convert to fraction form
    1,071,573.30/1,607,421.51 = 388,608.84/x
  3. Step 3: Cross multiply
    1,071,573.30x = 1,607,421.51 × 388,608.84
  4. Step 4: Simplify right side
    1,071,573.30x = 624,658,208,392.15
  5. Step 5: Solve for x
    x = 624,658,208,392.15/1,071,573.30
  6. Step 6: Final answer
    x = 582,935.58

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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.