Home / 1,831,678.87-2,746,828.17-766,794.55

Finding the Fourth Proportional to 1,831,678.87, 2,746,828.17 and 766,794.55

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Solution

The fourth proportional to 1,831,678.87, 2,746,828.17 and 766,794.55 is: 1,149,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,678.87 : 2,746,828.17 = 766,794.55 : x
  2. Step 2: Convert to fraction form
    1,831,678.87/2,746,828.17 = 766,794.55/x
  3. Step 3: Cross multiply
    1,831,678.87x = 2,746,828.17 × 766,794.55
  4. Step 4: Simplify right side
    1,831,678.87x = 2,106,252,870,542.47
  5. Step 5: Solve for x
    x = 2,106,252,870,542.47/1,831,678.87
  6. Step 6: Final answer
    x = 1,149,902.91

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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.