Home / 1,089,532.64-1,634,306.04-379,574

Finding the Fourth Proportional to 1,089,532.64, 1,634,306.04 and 379,574

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Solution

The fourth proportional to 1,089,532.64, 1,634,306.04 and 379,574 is: 569,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,532.64 : 1,634,306.04 = 379,574 : x
  2. Step 2: Convert to fraction form
    1,089,532.64/1,634,306.04 = 379,574/x
  3. Step 3: Cross multiply
    1,089,532.64x = 1,634,306.04 × 379,574
  4. Step 4: Simplify right side
    1,089,532.64x = 620,340,080,826.96
  5. Step 5: Solve for x
    x = 620,340,080,826.96/1,089,532.64
  6. Step 6: Final answer
    x = 569,363.47

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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.