Home / 1,089,444.39-1,634,429.11-341,490.39

Finding the Fourth Proportional to 1,089,444.39, 1,634,429.11 and 341,490.39

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Solution

The fourth proportional to 1,089,444.39, 1,634,429.11 and 341,490.39 is: 512,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,444.39 : 1,634,429.11 = 341,490.39 : x
  2. Step 2: Convert to fraction form
    1,089,444.39/1,634,429.11 = 341,490.39/x
  3. Step 3: Cross multiply
    1,089,444.39x = 1,634,429.11 × 341,490.39
  4. Step 4: Simplify right side
    1,089,444.39x = 558,141,834,201.25
  5. Step 5: Solve for x
    x = 558,141,834,201.25/1,089,444.39
  6. Step 6: Final answer
    x = 512,317.87

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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.