Home / 696,451.80-1,047,039.66-556,090.14

Finding the Fourth Proportional to 696,451.80, 1,047,039.66 and 556,090.14

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Solution

The fourth proportional to 696,451.80, 1,047,039.66 and 556,090.14 is: 836,021.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,451.80 : 1,047,039.66 = 556,090.14 : x
  2. Step 2: Convert to fraction form
    696,451.80/1,047,039.66 = 556,090.14/x
  3. Step 3: Cross multiply
    696,451.80x = 1,047,039.66 × 556,090.14
  4. Step 4: Simplify right side
    696,451.80x = 582,248,431,114.95
  5. Step 5: Solve for x
    x = 582,248,431,114.95/696,451.80
  6. Step 6: Final answer
    x = 836,021.14

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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.