Home / 1,418,673.40-2,128,010.10-577,828.60

Finding the Fourth Proportional to 1,418,673.40, 2,128,010.10 and 577,828.60

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Solution

The fourth proportional to 1,418,673.40, 2,128,010.10 and 577,828.60 is: 866,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,673.40 : 2,128,010.10 = 577,828.60 : x
  2. Step 2: Convert to fraction form
    1,418,673.40/2,128,010.10 = 577,828.60/x
  3. Step 3: Cross multiply
    1,418,673.40x = 2,128,010.10 × 577,828.60
  4. Step 4: Simplify right side
    1,418,673.40x = 1,229,625,096,868.86
  5. Step 5: Solve for x
    x = 1,229,625,096,868.86/1,418,673.40
  6. Step 6: Final answer
    x = 866,742.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.