Home / 1,265,157.76-1,746,639.48-836,680.72

Finding the Fourth Proportional to 1,265,157.76, 1,746,639.48 and 836,680.72

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Solution

The fourth proportional to 1,265,157.76, 1,746,639.48 and 836,680.72 is: 1,155,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,157.76 : 1,746,639.48 = 836,680.72 : x
  2. Step 2: Convert to fraction form
    1,265,157.76/1,746,639.48 = 836,680.72/x
  3. Step 3: Cross multiply
    1,265,157.76x = 1,746,639.48 × 836,680.72
  4. Step 4: Simplify right side
    1,265,157.76x = 1,461,379,577,706.83
  5. Step 5: Solve for x
    x = 1,461,379,577,706.83/1,265,157.76
  6. Step 6: Final answer
    x = 1,155,096.72

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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.