Home / 1,296,384.35-1,788,796.51-723,423.15

Finding the Fourth Proportional to 1,296,384.35, 1,788,796.51 and 723,423.15

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Solution

The fourth proportional to 1,296,384.35, 1,788,796.51 and 723,423.15 is: 998,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,384.35 : 1,788,796.51 = 723,423.15 : x
  2. Step 2: Convert to fraction form
    1,296,384.35/1,788,796.51 = 723,423.15/x
  3. Step 3: Cross multiply
    1,296,384.35x = 1,788,796.51 × 723,423.15
  4. Step 4: Simplify right side
    1,296,384.35x = 1,294,056,804,164.65
  5. Step 5: Solve for x
    x = 1,294,056,804,164.65/1,296,384.35
  6. Step 6: Final answer
    x = 998,204.59

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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.