Home / 1,622,915.76-2,238,869.16-1,050,140.88

Finding the Fourth Proportional to 1,622,915.76, 2,238,869.16 and 1,050,140.88

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Solution

The fourth proportional to 1,622,915.76, 2,238,869.16 and 1,050,140.88 is: 1,448,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,915.76 : 2,238,869.16 = 1,050,140.88 : x
  2. Step 2: Convert to fraction form
    1,622,915.76/2,238,869.16 = 1,050,140.88/x
  3. Step 3: Cross multiply
    1,622,915.76x = 2,238,869.16 × 1,050,140.88
  4. Step 4: Simplify right side
    1,622,915.76x = 2,351,128,029,887.26
  5. Step 5: Solve for x
    x = 2,351,128,029,887.26/1,622,915.76
  6. Step 6: Final answer
    x = 1,448,706.14

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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.