Home / 1,438,482.40-2,160,056.40-967,256.80

Finding the Fourth Proportional to 1,438,482.40, 2,160,056.40 and 967,256.80

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Solution

The fourth proportional to 1,438,482.40, 2,160,056.40 and 967,256.80 is: 1,452,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,482.40 : 2,160,056.40 = 967,256.80 : x
  2. Step 2: Convert to fraction form
    1,438,482.40/2,160,056.40 = 967,256.80/x
  3. Step 3: Cross multiply
    1,438,482.40x = 2,160,056.40 × 967,256.80
  4. Step 4: Simplify right side
    1,438,482.40x = 2,089,329,241,283.52
  5. Step 5: Solve for x
    x = 2,089,329,241,283.52/1,438,482.40
  6. Step 6: Final answer
    x = 1,452,453.81

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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.