Home / 1,404,492.76-1,938,186.21-759,898.81

Finding the Fourth Proportional to 1,404,492.76, 1,938,186.21 and 759,898.81

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Solution

The fourth proportional to 1,404,492.76, 1,938,186.21 and 759,898.81 is: 1,048,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,492.76 : 1,938,186.21 = 759,898.81 : x
  2. Step 2: Convert to fraction form
    1,404,492.76/1,938,186.21 = 759,898.81/x
  3. Step 3: Cross multiply
    1,404,492.76x = 1,938,186.21 × 759,898.81
  4. Step 4: Simplify right side
    1,404,492.76x = 1,472,825,394,537.41
  5. Step 5: Solve for x
    x = 1,472,825,394,537.41/1,404,492.76
  6. Step 6: Final answer
    x = 1,048,652.89

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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.