Home / 1,039,940.02-1,559,998.32-291,986.02

Finding the Fourth Proportional to 1,039,940.02, 1,559,998.32 and 291,986.02

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Solution

The fourth proportional to 1,039,940.02, 1,559,998.32 and 291,986.02 is: 438,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,940.02 : 1,559,998.32 = 291,986.02 : x
  2. Step 2: Convert to fraction form
    1,039,940.02/1,559,998.32 = 291,986.02/x
  3. Step 3: Cross multiply
    1,039,940.02x = 1,559,998.32 × 291,986.02
  4. Step 4: Simplify right side
    1,039,940.02x = 455,497,700,663.49
  5. Step 5: Solve for x
    x = 455,497,700,663.49/1,039,940.02
  6. Step 6: Final answer
    x = 438,003.82

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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.