Home / 1,346,638.60-2,019,955.26-785,279.40

Finding the Fourth Proportional to 1,346,638.60, 2,019,955.26 and 785,279.40

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Solution

The fourth proportional to 1,346,638.60, 2,019,955.26 and 785,279.40 is: 1,177,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,638.60 : 2,019,955.26 = 785,279.40 : x
  2. Step 2: Convert to fraction form
    1,346,638.60/2,019,955.26 = 785,279.40/x
  3. Step 3: Cross multiply
    1,346,638.60x = 2,019,955.26 × 785,279.40
  4. Step 4: Simplify right side
    1,346,638.60x = 1,586,229,254,599.64
  5. Step 5: Solve for x
    x = 1,586,229,254,599.64/1,346,638.60
  6. Step 6: Final answer
    x = 1,177,917.56

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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.