Home / 1,362,830.10-1,880,705.70-790,202.40

Finding the Fourth Proportional to 1,362,830.10, 1,880,705.70 and 790,202.40

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Solution

The fourth proportional to 1,362,830.10, 1,880,705.70 and 790,202.40 is: 1,090,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,830.10 : 1,880,705.70 = 790,202.40 : x
  2. Step 2: Convert to fraction form
    1,362,830.10/1,880,705.70 = 790,202.40/x
  3. Step 3: Cross multiply
    1,362,830.10x = 1,880,705.70 × 790,202.40
  4. Step 4: Simplify right side
    1,362,830.10x = 1,486,138,157,833.68
  5. Step 5: Solve for x
    x = 1,486,138,157,833.68/1,362,830.10
  6. Step 6: Final answer
    x = 1,090,479.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.