Home / 1,675,836-2,312,634.24-911,876.40

Finding the Fourth Proportional to 1,675,836, 2,312,634.24 and 911,876.40

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Solution

The fourth proportional to 1,675,836, 2,312,634.24 and 911,876.40 is: 1,258,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,836 : 2,312,634.24 = 911,876.40 : x
  2. Step 2: Convert to fraction form
    1,675,836/2,312,634.24 = 911,876.40/x
  3. Step 3: Cross multiply
    1,675,836x = 2,312,634.24 × 911,876.40
  4. Step 4: Simplify right side
    1,675,836x = 2,108,836,585,287.94
  5. Step 5: Solve for x
    x = 2,108,836,585,287.94/1,675,836
  6. Step 6: Final answer
    x = 1,258,378.85

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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.