Home / 1,711,788-2,362,238.55-947,825.16

Finding the Fourth Proportional to 1,711,788, 2,362,238.55 and 947,825.16

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Solution

The fourth proportional to 1,711,788, 2,362,238.55 and 947,825.16 is: 1,307,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,788 : 2,362,238.55 = 947,825.16 : x
  2. Step 2: Convert to fraction form
    1,711,788/2,362,238.55 = 947,825.16/x
  3. Step 3: Cross multiply
    1,711,788x = 2,362,238.55 × 947,825.16
  4. Step 4: Simplify right side
    1,711,788x = 2,238,989,131,611.92
  5. Step 5: Solve for x
    x = 2,238,989,131,611.92/1,711,788
  6. Step 6: Final answer
    x = 1,307,982.72

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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.