Home / 1,988,133-2,982,199.50-492,225

Finding the Fourth Proportional to 1,988,133, 2,982,199.50 and 492,225

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Solution

The fourth proportional to 1,988,133, 2,982,199.50 and 492,225 is: 738,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,133 : 2,982,199.50 = 492,225 : x
  2. Step 2: Convert to fraction form
    1,988,133/2,982,199.50 = 492,225/x
  3. Step 3: Cross multiply
    1,988,133x = 2,982,199.50 × 492,225
  4. Step 4: Simplify right side
    1,988,133x = 1,467,913,148,887.50
  5. Step 5: Solve for x
    x = 1,467,913,148,887.50/1,988,133
  6. Step 6: Final answer
    x = 738,337.50

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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.