Home / 1,362,835.10-1,880,712.60-790,207.46

Finding the Fourth Proportional to 1,362,835.10, 1,880,712.60 and 790,207.46

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Solution

The fourth proportional to 1,362,835.10, 1,880,712.60 and 790,207.46 is: 1,090,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,835.10 : 1,880,712.60 = 790,207.46 : x
  2. Step 2: Convert to fraction form
    1,362,835.10/1,880,712.60 = 790,207.46/x
  3. Step 3: Cross multiply
    1,362,835.10x = 1,880,712.60 × 790,207.46
  4. Step 4: Simplify right side
    1,362,835.10x = 1,486,153,126,636.00
  5. Step 5: Solve for x
    x = 1,486,153,126,636.00/1,362,835.10
  6. Step 6: Final answer
    x = 1,090,486.39

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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.