Home / 1,259,309.70-1,737,888.08-715,435.60

Finding the Fourth Proportional to 1,259,309.70, 1,737,888.08 and 715,435.60

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Solution

The fourth proportional to 1,259,309.70, 1,737,888.08 and 715,435.60 is: 987,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,309.70 : 1,737,888.08 = 715,435.60 : x
  2. Step 2: Convert to fraction form
    1,259,309.70/1,737,888.08 = 715,435.60/x
  3. Step 3: Cross multiply
    1,259,309.70x = 1,737,888.08 × 715,435.60
  4. Step 4: Simplify right side
    1,259,309.70x = 1,243,347,001,247.65
  5. Step 5: Solve for x
    x = 1,243,347,001,247.65/1,259,309.70
  6. Step 6: Final answer
    x = 987,324.25

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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.