Home / 1,089,062.80-1,634,177.40-490,116.40

Finding the Fourth Proportional to 1,089,062.80, 1,634,177.40 and 490,116.40

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Solution

The fourth proportional to 1,089,062.80, 1,634,177.40 and 490,116.40 is: 735,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,062.80 : 1,634,177.40 = 490,116.40 : x
  2. Step 2: Convert to fraction form
    1,089,062.80/1,634,177.40 = 490,116.40/x
  3. Step 3: Cross multiply
    1,089,062.80x = 1,634,177.40 × 490,116.40
  4. Step 4: Simplify right side
    1,089,062.80x = 800,937,144,249.36
  5. Step 5: Solve for x
    x = 800,937,144,249.36/1,089,062.80
  6. Step 6: Final answer
    x = 735,437.06

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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.