Home / 1,948,698.52-2,923,047.78-686,230.36

Finding the Fourth Proportional to 1,948,698.52, 2,923,047.78 and 686,230.36

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Solution

The fourth proportional to 1,948,698.52, 2,923,047.78 and 686,230.36 is: 1,029,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,698.52 : 2,923,047.78 = 686,230.36 : x
  2. Step 2: Convert to fraction form
    1,948,698.52/2,923,047.78 = 686,230.36/x
  3. Step 3: Cross multiply
    1,948,698.52x = 2,923,047.78 × 686,230.36
  4. Step 4: Simplify right side
    1,948,698.52x = 2,005,884,130,366.60
  5. Step 5: Solve for x
    x = 2,005,884,130,366.60/1,948,698.52
  6. Step 6: Final answer
    x = 1,029,345.54

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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.