Home / 1,397,284.40-2,095,926.60-688,696.40

Finding the Fourth Proportional to 1,397,284.40, 2,095,926.60 and 688,696.40

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Solution

The fourth proportional to 1,397,284.40, 2,095,926.60 and 688,696.40 is: 1,033,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,284.40 : 2,095,926.60 = 688,696.40 : x
  2. Step 2: Convert to fraction form
    1,397,284.40/2,095,926.60 = 688,696.40/x
  3. Step 3: Cross multiply
    1,397,284.40x = 2,095,926.60 × 688,696.40
  4. Step 4: Simplify right side
    1,397,284.40x = 1,443,457,104,084.24
  5. Step 5: Solve for x
    x = 1,443,457,104,084.24/1,397,284.40
  6. Step 6: Final answer
    x = 1,033,044.60

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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.