Home / 988,741.26-1,483,111.90-456,104.70

Finding the Fourth Proportional to 988,741.26, 1,483,111.90 and 456,104.70

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Solution

The fourth proportional to 988,741.26, 1,483,111.90 and 456,104.70 is: 684,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,741.26 : 1,483,111.90 = 456,104.70 : x
  2. Step 2: Convert to fraction form
    988,741.26/1,483,111.90 = 456,104.70/x
  3. Step 3: Cross multiply
    988,741.26x = 1,483,111.90 × 456,104.70
  4. Step 4: Simplify right side
    988,741.26x = 676,454,308,215.93
  5. Step 5: Solve for x
    x = 676,454,308,215.93/988,741.26
  6. Step 6: Final answer
    x = 684,157.05

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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.