Home / 1,375,609.70-1,898,400.68-763,762.50

Finding the Fourth Proportional to 1,375,609.70, 1,898,400.68 and 763,762.50

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Solution

The fourth proportional to 1,375,609.70, 1,898,400.68 and 763,762.50 is: 1,054,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,609.70 : 1,898,400.68 = 763,762.50 : x
  2. Step 2: Convert to fraction form
    1,375,609.70/1,898,400.68 = 763,762.50/x
  3. Step 3: Cross multiply
    1,375,609.70x = 1,898,400.68 × 763,762.50
  4. Step 4: Simplify right side
    1,375,609.70x = 1,449,927,236,047.68
  5. Step 5: Solve for x
    x = 1,449,927,236,047.68/1,375,609.70
  6. Step 6: Final answer
    x = 1,054,025.16

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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.