Home / 1,089,547-1,634,328.71-379,573.90

Finding the Fourth Proportional to 1,089,547, 1,634,328.71 and 379,573.90

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Solution

The fourth proportional to 1,089,547, 1,634,328.71 and 379,573.90 is: 569,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,547 : 1,634,328.71 = 379,573.90 : x
  2. Step 2: Convert to fraction form
    1,089,547/1,634,328.71 = 379,573.90/x
  3. Step 3: Cross multiply
    1,089,547x = 1,634,328.71 × 379,573.90
  4. Step 4: Simplify right side
    1,089,547x = 620,348,522,336.67
  5. Step 5: Solve for x
    x = 620,348,522,336.67/1,089,547
  6. Step 6: Final answer
    x = 569,363.71

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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.