Home / 1,346,636.06-2,019,951.51-785,276.90

Finding the Fourth Proportional to 1,346,636.06, 2,019,951.51 and 785,276.90

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Solution

The fourth proportional to 1,346,636.06, 2,019,951.51 and 785,276.90 is: 1,177,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,636.06 : 2,019,951.51 = 785,276.90 : x
  2. Step 2: Convert to fraction form
    1,346,636.06/2,019,951.51 = 785,276.90/x
  3. Step 3: Cross multiply
    1,346,636.06x = 2,019,951.51 × 785,276.90
  4. Step 4: Simplify right side
    1,346,636.06x = 1,586,221,259,923.12
  5. Step 5: Solve for x
    x = 1,586,221,259,923.12/1,346,636.06
  6. Step 6: Final answer
    x = 1,177,913.85

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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.