Home / 1,089,687.90-1,634,531.85-341,732.70

Finding the Fourth Proportional to 1,089,687.90, 1,634,531.85 and 341,732.70

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Solution

The fourth proportional to 1,089,687.90, 1,634,531.85 and 341,732.70 is: 512,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,687.90 : 1,634,531.85 = 341,732.70 : x
  2. Step 2: Convert to fraction form
    1,089,687.90/1,634,531.85 = 341,732.70/x
  3. Step 3: Cross multiply
    1,089,687.90x = 1,634,531.85 × 341,732.70
  4. Step 4: Simplify right side
    1,089,687.90x = 558,572,982,336.50
  5. Step 5: Solve for x
    x = 558,572,982,336.50/1,089,687.90
  6. Step 6: Final answer
    x = 512,599.05

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1.5x scale

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.