Home / 1,012,996.02-1,520,563.54-990,123.76

Finding the Fourth Proportional to 1,012,996.02, 1,520,563.54 and 990,123.76

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Solution

The fourth proportional to 1,012,996.02, 1,520,563.54 and 990,123.76 is: 1,486,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,996.02 : 1,520,563.54 = 990,123.76 : x
  2. Step 2: Convert to fraction form
    1,012,996.02/1,520,563.54 = 990,123.76/x
  3. Step 3: Cross multiply
    1,012,996.02x = 1,520,563.54 × 990,123.76
  4. Step 4: Simplify right side
    1,012,996.02x = 1,505,546,089,543.71
  5. Step 5: Solve for x
    x = 1,505,546,089,543.71/1,012,996.02
  6. Step 6: Final answer
    x = 1,486,231.00

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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.