Home / 1,221,314.68-1,685,381.74-705,051.15

Finding the Fourth Proportional to 1,221,314.68, 1,685,381.74 and 705,051.15

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Solution

The fourth proportional to 1,221,314.68, 1,685,381.74 and 705,051.15 is: 972,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,314.68 : 1,685,381.74 = 705,051.15 : x
  2. Step 2: Convert to fraction form
    1,221,314.68/1,685,381.74 = 705,051.15/x
  3. Step 3: Cross multiply
    1,221,314.68x = 1,685,381.74 × 705,051.15
  4. Step 4: Simplify right side
    1,221,314.68x = 1,188,280,333,976.00
  5. Step 5: Solve for x
    x = 1,188,280,333,976.00/1,221,314.68
  6. Step 6: Final answer
    x = 972,951.81

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