Home / 1,218,202.23-1,829,099.69-679,511.01

Finding the Fourth Proportional to 1,218,202.23, 1,829,099.69 and 679,511.01

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Solution

The fourth proportional to 1,218,202.23, 1,829,099.69 and 679,511.01 is: 1,020,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,202.23 : 1,829,099.69 = 679,511.01 : x
  2. Step 2: Convert to fraction form
    1,218,202.23/1,829,099.69 = 679,511.01/x
  3. Step 3: Cross multiply
    1,218,202.23x = 1,829,099.69 × 679,511.01
  4. Step 4: Simplify right side
    1,218,202.23x = 1,242,893,377,742.59
  5. Step 5: Solve for x
    x = 1,242,893,377,742.59/1,218,202.23
  6. Step 6: Final answer
    x = 1,020,268.51

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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.