Home / 1,089,138.80-1,633,708.20-556,482.80

Finding the Fourth Proportional to 1,089,138.80, 1,633,708.20 and 556,482.80

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Solution

The fourth proportional to 1,089,138.80, 1,633,708.20 and 556,482.80 is: 834,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,138.80 : 1,633,708.20 = 556,482.80 : x
  2. Step 2: Convert to fraction form
    1,089,138.80/1,633,708.20 = 556,482.80/x
  3. Step 3: Cross multiply
    1,089,138.80x = 1,633,708.20 × 556,482.80
  4. Step 4: Simplify right side
    1,089,138.80x = 909,130,513,518.96
  5. Step 5: Solve for x
    x = 909,130,513,518.96/1,089,138.80
  6. Step 6: Final answer
    x = 834,724.20

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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.