Home / 1,512,117.90-2,265,552.45-979,364.70

Finding the Fourth Proportional to 1,512,117.90, 2,265,552.45 and 979,364.70

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Solution

The fourth proportional to 1,512,117.90, 2,265,552.45 and 979,364.70 is: 1,467,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,117.90 : 2,265,552.45 = 979,364.70 : x
  2. Step 2: Convert to fraction form
    1,512,117.90/2,265,552.45 = 979,364.70/x
  3. Step 3: Cross multiply
    1,512,117.90x = 2,265,552.45 × 979,364.70
  4. Step 4: Simplify right side
    1,512,117.90x = 2,218,802,095,528.52
  5. Step 5: Solve for x
    x = 2,218,802,095,528.52/1,512,117.90
  6. Step 6: Final answer
    x = 1,467,347.29

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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.