Home / 1,670,699.12-2,507,102.88-711,153.20

Finding the Fourth Proportional to 1,670,699.12, 2,507,102.88 and 711,153.20

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Solution

The fourth proportional to 1,670,699.12, 2,507,102.88 and 711,153.20 is: 1,067,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,699.12 : 2,507,102.88 = 711,153.20 : x
  2. Step 2: Convert to fraction form
    1,670,699.12/2,507,102.88 = 711,153.20/x
  3. Step 3: Cross multiply
    1,670,699.12x = 2,507,102.88 × 711,153.20
  4. Step 4: Simplify right side
    1,670,699.12x = 1,782,934,223,305.70
  5. Step 5: Solve for x
    x = 1,782,934,223,305.70/1,670,699.12
  6. Step 6: Final answer
    x = 1,067,178.53

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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.