Home / 1,375,194.74-1,897,673.60-763,299.32

Finding the Fourth Proportional to 1,375,194.74, 1,897,673.60 and 763,299.32

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Solution

The fourth proportional to 1,375,194.74, 1,897,673.60 and 763,299.32 is: 1,053,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,194.74 : 1,897,673.60 = 763,299.32 : x
  2. Step 2: Convert to fraction form
    1,375,194.74/1,897,673.60 = 763,299.32/x
  3. Step 3: Cross multiply
    1,375,194.74x = 1,897,673.60 × 763,299.32
  4. Step 4: Simplify right side
    1,375,194.74x = 1,448,492,968,461.95
  5. Step 5: Solve for x
    x = 1,448,492,968,461.95/1,375,194.74
  6. Step 6: Final answer
    x = 1,053,300.25

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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.