Home / 689,772.47-1,041,137.93-689,772.47

Finding the Fourth Proportional to 689,772.47, 1,041,137.93 and 689,772.47

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Solution

The fourth proportional to 689,772.47, 1,041,137.93 and 689,772.47 is: 1,041,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,772.47 : 1,041,137.93 = 689,772.47 : x
  2. Step 2: Convert to fraction form
    689,772.47/1,041,137.93 = 689,772.47/x
  3. Step 3: Cross multiply
    689,772.47x = 1,041,137.93 × 689,772.47
  4. Step 4: Simplify right side
    689,772.47x = 718,148,285,914.06
  5. Step 5: Solve for x
    x = 718,148,285,914.06/689,772.47
  6. Step 6: Final answer
    x = 1,041,137.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.