Home / 1,415,404.60-1,953,419.70-842,446.60

Finding the Fourth Proportional to 1,415,404.60, 1,953,419.70 and 842,446.60

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Solution

The fourth proportional to 1,415,404.60, 1,953,419.70 and 842,446.60 is: 1,162,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,404.60 : 1,953,419.70 = 842,446.60 : x
  2. Step 2: Convert to fraction form
    1,415,404.60/1,953,419.70 = 842,446.60/x
  3. Step 3: Cross multiply
    1,415,404.60x = 1,953,419.70 × 842,446.60
  4. Step 4: Simplify right side
    1,415,404.60x = 1,645,651,784,638.02
  5. Step 5: Solve for x
    x = 1,645,651,784,638.02/1,415,404.60
  6. Step 6: Final answer
    x = 1,162,672.34

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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.