Home / 988,740.26-1,483,110.40-456,103.70

Finding the Fourth Proportional to 988,740.26, 1,483,110.40 and 456,103.70

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Solution

The fourth proportional to 988,740.26, 1,483,110.40 and 456,103.70 is: 684,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,740.26 : 1,483,110.40 = 456,103.70 : x
  2. Step 2: Convert to fraction form
    988,740.26/1,483,110.40 = 456,103.70/x
  3. Step 3: Cross multiply
    988,740.26x = 1,483,110.40 × 456,103.70
  4. Step 4: Simplify right side
    988,740.26x = 676,452,143,516.00
  5. Step 5: Solve for x
    x = 676,452,143,516.00/988,740.26
  6. Step 6: Final answer
    x = 684,155.56

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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.