Home / 1,089,055.88-1,634,328.08-379,083.92

Finding the Fourth Proportional to 1,089,055.88, 1,634,328.08 and 379,083.92

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Solution

The fourth proportional to 1,089,055.88, 1,634,328.08 and 379,083.92 is: 568,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,055.88 : 1,634,328.08 = 379,083.92 : x
  2. Step 2: Convert to fraction form
    1,089,055.88/1,634,328.08 = 379,083.92/x
  3. Step 3: Cross multiply
    1,089,055.88x = 1,634,328.08 × 379,083.92
  4. Step 4: Simplify right side
    1,089,055.88x = 619,547,495,132.47
  5. Step 5: Solve for x
    x = 619,547,495,132.47/1,089,055.88
  6. Step 6: Final answer
    x = 568,884.95

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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.