Home / 1,089,866.40-1,634,799.60-291,271.20

Finding the Fourth Proportional to 1,089,866.40, 1,634,799.60 and 291,271.20

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Solution

The fourth proportional to 1,089,866.40, 1,634,799.60 and 291,271.20 is: 436,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,866.40 : 1,634,799.60 = 291,271.20 : x
  2. Step 2: Convert to fraction form
    1,089,866.40/1,634,799.60 = 291,271.20/x
  3. Step 3: Cross multiply
    1,089,866.40x = 1,634,799.60 × 291,271.20
  4. Step 4: Simplify right side
    1,089,866.40x = 476,170,041,251.52
  5. Step 5: Solve for x
    x = 476,170,041,251.52/1,089,866.40
  6. Step 6: Final answer
    x = 436,906.80

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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.