Home / 683,999.10-1,025,998.65-670,002.30

Finding the Fourth Proportional to 683,999.10, 1,025,998.65 and 670,002.30

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Solution

The fourth proportional to 683,999.10, 1,025,998.65 and 670,002.30 is: 1,005,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,999.10 : 1,025,998.65 = 670,002.30 : x
  2. Step 2: Convert to fraction form
    683,999.10/1,025,998.65 = 670,002.30/x
  3. Step 3: Cross multiply
    683,999.10x = 1,025,998.65 × 670,002.30
  4. Step 4: Simplify right side
    683,999.10x = 687,421,455,296.90
  5. Step 5: Solve for x
    x = 687,421,455,296.90/683,999.10
  6. Step 6: Final answer
    x = 1,005,003.45

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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.