Home / 1,128,231.54-1,690,756.08-623,019.96

Finding the Fourth Proportional to 1,128,231.54, 1,690,756.08 and 623,019.96

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Solution

The fourth proportional to 1,128,231.54, 1,690,756.08 and 623,019.96 is: 933,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,231.54 : 1,690,756.08 = 623,019.96 : x
  2. Step 2: Convert to fraction form
    1,128,231.54/1,690,756.08 = 623,019.96/x
  3. Step 3: Cross multiply
    1,128,231.54x = 1,690,756.08 × 623,019.96
  4. Step 4: Simplify right side
    1,128,231.54x = 1,053,374,785,331.36
  5. Step 5: Solve for x
    x = 1,053,374,785,331.36/1,128,231.54
  6. Step 6: Final answer
    x = 933,651.25

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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.