Home / 1,798,967.20-2,698,450.80-677,287.84

Finding the Fourth Proportional to 1,798,967.20, 2,698,450.80 and 677,287.84

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Solution

The fourth proportional to 1,798,967.20, 2,698,450.80 and 677,287.84 is: 1,015,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,967.20 : 2,698,450.80 = 677,287.84 : x
  2. Step 2: Convert to fraction form
    1,798,967.20/2,698,450.80 = 677,287.84/x
  3. Step 3: Cross multiply
    1,798,967.20x = 2,698,450.80 × 677,287.84
  4. Step 4: Simplify right side
    1,798,967.20x = 1,827,627,913,678.27
  5. Step 5: Solve for x
    x = 1,827,627,913,678.27/1,798,967.20
  6. Step 6: Final answer
    x = 1,015,931.76

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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.