Home / 1,618,142.24-2,425,842.48-670,921.76

Finding the Fourth Proportional to 1,618,142.24, 2,425,842.48 and 670,921.76

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Solution

The fourth proportional to 1,618,142.24, 2,425,842.48 and 670,921.76 is: 1,005,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,142.24 : 2,425,842.48 = 670,921.76 : x
  2. Step 2: Convert to fraction form
    1,618,142.24/2,425,842.48 = 670,921.76/x
  3. Step 3: Cross multiply
    1,618,142.24x = 2,425,842.48 × 670,921.76
  4. Step 4: Simplify right side
    1,618,142.24x = 1,627,550,506,164.36
  5. Step 5: Solve for x
    x = 1,627,550,506,164.36/1,618,142.24
  6. Step 6: Final answer
    x = 1,005,814.24

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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.