Home / 1,089,000.26-1,502,856.88-598,990.51

Finding the Fourth Proportional to 1,089,000.26, 1,502,856.88 and 598,990.51

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Solution

The fourth proportional to 1,089,000.26, 1,502,856.88 and 598,990.51 is: 826,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,000.26 : 1,502,856.88 = 598,990.51 : x
  2. Step 2: Convert to fraction form
    1,089,000.26/1,502,856.88 = 598,990.51/x
  3. Step 3: Cross multiply
    1,089,000.26x = 1,502,856.88 × 598,990.51
  4. Step 4: Simplify right side
    1,089,000.26x = 900,197,009,008.21
  5. Step 5: Solve for x
    x = 900,197,009,008.21/1,089,000.26
  6. Step 6: Final answer
    x = 826,626.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.