Home / 1,426,420.12-1,968,661.38-882,731.02

Finding the Fourth Proportional to 1,426,420.12, 1,968,661.38 and 882,731.02

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Solution

The fourth proportional to 1,426,420.12, 1,968,661.38 and 882,731.02 is: 1,218,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,420.12 : 1,968,661.38 = 882,731.02 : x
  2. Step 2: Convert to fraction form
    1,426,420.12/1,968,661.38 = 882,731.02/x
  3. Step 3: Cross multiply
    1,426,420.12x = 1,968,661.38 × 882,731.02
  4. Step 4: Simplify right side
    1,426,420.12x = 1,737,798,468,002.01
  5. Step 5: Solve for x
    x = 1,737,798,468,002.01/1,426,420.12
  6. Step 6: Final answer
    x = 1,218,293.58

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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.