Home / 1,392,990.48-2,089,636.20-594,356.40

Finding the Fourth Proportional to 1,392,990.48, 2,089,636.20 and 594,356.40

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Solution

The fourth proportional to 1,392,990.48, 2,089,636.20 and 594,356.40 is: 891,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,990.48 : 2,089,636.20 = 594,356.40 : x
  2. Step 2: Convert to fraction form
    1,392,990.48/2,089,636.20 = 594,356.40/x
  3. Step 3: Cross multiply
    1,392,990.48x = 2,089,636.20 × 594,356.40
  4. Step 4: Simplify right side
    1,392,990.48x = 1,241,988,649,141.68
  5. Step 5: Solve for x
    x = 1,241,988,649,141.68/1,392,990.48
  6. Step 6: Final answer
    x = 891,598.81

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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.