Home / 1,089,750.63-1,634,609.51-490,288.47

Finding the Fourth Proportional to 1,089,750.63, 1,634,609.51 and 490,288.47

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Solution

The fourth proportional to 1,089,750.63, 1,634,609.51 and 490,288.47 is: 735,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,750.63 : 1,634,609.51 = 490,288.47 : x
  2. Step 2: Convert to fraction form
    1,089,750.63/1,634,609.51 = 490,288.47/x
  3. Step 3: Cross multiply
    1,089,750.63x = 1,634,609.51 × 490,288.47
  4. Step 4: Simplify right side
    1,089,750.63x = 801,430,195,705.35
  5. Step 5: Solve for x
    x = 801,430,195,705.35/1,089,750.63
  6. Step 6: Final answer
    x = 735,425.31

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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.