Home / 867,009.40-1,300,514.10-717,418.60

Finding the Fourth Proportional to 867,009.40, 1,300,514.10 and 717,418.60

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Solution

The fourth proportional to 867,009.40, 1,300,514.10 and 717,418.60 is: 1,076,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,009.40 : 1,300,514.10 = 717,418.60 : x
  2. Step 2: Convert to fraction form
    867,009.40/1,300,514.10 = 717,418.60/x
  3. Step 3: Cross multiply
    867,009.40x = 1,300,514.10 × 717,418.60
  4. Step 4: Simplify right side
    867,009.40x = 933,013,004,902.26
  5. Step 5: Solve for x
    x = 933,013,004,902.26/867,009.40
  6. Step 6: Final answer
    x = 1,076,127.90

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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.