Home / 1,375,492.78-1,898,094.63-763,609.87

Finding the Fourth Proportional to 1,375,492.78, 1,898,094.63 and 763,609.87

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Solution

The fourth proportional to 1,375,492.78, 1,898,094.63 and 763,609.87 is: 1,053,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,492.78 : 1,898,094.63 = 763,609.87 : x
  2. Step 2: Convert to fraction form
    1,375,492.78/1,898,094.63 = 763,609.87/x
  3. Step 3: Cross multiply
    1,375,492.78x = 1,898,094.63 × 763,609.87
  4. Step 4: Simplify right side
    1,375,492.78x = 1,449,403,793,662.00
  5. Step 5: Solve for x
    x = 1,449,403,793,662.00/1,375,492.78
  6. Step 6: Final answer
    x = 1,053,734.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.