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Finding the Fourth Proportional to 1,089,700, 1,634,550 and 301,732

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Solution

The fourth proportional to 1,089,700, 1,634,550 and 301,732 is: 452,598

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,700 : 1,634,550 = 301,732 : x
  2. Step 2: Convert to fraction form
    1,089,700/1,634,550 = 301,732/x
  3. Step 3: Cross multiply
    1,089,700x = 1,634,550 × 301,732
  4. Step 4: Simplify right side
    1,089,700x = 493,196,040,600
  5. Step 5: Solve for x
    x = 493,196,040,600/1,089,700
  6. Step 6: Final answer
    x = 452,598

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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.