Home / 1,816,838.74-2,725,679.96-618,771.43

Finding the Fourth Proportional to 1,816,838.74, 2,725,679.96 and 618,771.43

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Solution

The fourth proportional to 1,816,838.74, 2,725,679.96 and 618,771.43 is: 928,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,838.74 : 2,725,679.96 = 618,771.43 : x
  2. Step 2: Convert to fraction form
    1,816,838.74/2,725,679.96 = 618,771.43/x
  3. Step 3: Cross multiply
    1,816,838.74x = 2,725,679.96 × 618,771.43
  4. Step 4: Simplify right side
    1,816,838.74x = 1,686,572,883,477.69
  5. Step 5: Solve for x
    x = 1,686,572,883,477.69/1,816,838.74
  6. Step 6: Final answer
    x = 928,300.82

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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.