Home / 988,631.12-1,483,063.32-740,887.76

Finding the Fourth Proportional to 988,631.12, 1,483,063.32 and 740,887.76

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Solution

The fourth proportional to 988,631.12, 1,483,063.32 and 740,887.76 is: 1,111,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,631.12 : 1,483,063.32 = 740,887.76 : x
  2. Step 2: Convert to fraction form
    988,631.12/1,483,063.32 = 740,887.76/x
  3. Step 3: Cross multiply
    988,631.12x = 1,483,063.32 × 740,887.76
  4. Step 4: Simplify right side
    988,631.12x = 1,098,783,461,092.96
  5. Step 5: Solve for x
    x = 1,098,783,461,092.96/988,631.12
  6. Step 6: Final answer
    x = 1,111,419.05

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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.