Home / 1,089,189.80-1,632,402.30-970,303.40

Finding the Fourth Proportional to 1,089,189.80, 1,632,402.30 and 970,303.40

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Solution

The fourth proportional to 1,089,189.80, 1,632,402.30 and 970,303.40 is: 1,454,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,189.80 : 1,632,402.30 = 970,303.40 : x
  2. Step 2: Convert to fraction form
    1,089,189.80/1,632,402.30 = 970,303.40/x
  3. Step 3: Cross multiply
    1,089,189.80x = 1,632,402.30 × 970,303.40
  4. Step 4: Simplify right side
    1,089,189.80x = 1,583,925,501,857.82
  5. Step 5: Solve for x
    x = 1,583,925,501,857.82/1,089,189.80
  6. Step 6: Final answer
    x = 1,454,223.59

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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.