Home / 778,892.40-1,168,338.60-673,916.40

Finding the Fourth Proportional to 778,892.40, 1,168,338.60 and 673,916.40

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Solution

The fourth proportional to 778,892.40, 1,168,338.60 and 673,916.40 is: 1,010,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,892.40 : 1,168,338.60 = 673,916.40 : x
  2. Step 2: Convert to fraction form
    778,892.40/1,168,338.60 = 673,916.40/x
  3. Step 3: Cross multiply
    778,892.40x = 1,168,338.60 × 673,916.40
  4. Step 4: Simplify right side
    778,892.40x = 787,362,543,293.04
  5. Step 5: Solve for x
    x = 787,362,543,293.04/778,892.40
  6. Step 6: Final answer
    x = 1,010,874.60

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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.