Home / 1,089,735.40-1,634,603.10-341,780.20

Finding the Fourth Proportional to 1,089,735.40, 1,634,603.10 and 341,780.20

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Solution

The fourth proportional to 1,089,735.40, 1,634,603.10 and 341,780.20 is: 512,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,735.40 : 1,634,603.10 = 341,780.20 : x
  2. Step 2: Convert to fraction form
    1,089,735.40/1,634,603.10 = 341,780.20/x
  3. Step 3: Cross multiply
    1,089,735.40x = 1,634,603.10 × 341,780.20
  4. Step 4: Simplify right side
    1,089,735.40x = 558,674,974,438.62
  5. Step 5: Solve for x
    x = 558,674,974,438.62/1,089,735.40
  6. Step 6: Final answer
    x = 512,670.30

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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.