Home / 1,420,319.40-2,127,714.30-857,682.60

Finding the Fourth Proportional to 1,420,319.40, 2,127,714.30 and 857,682.60

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Solution

The fourth proportional to 1,420,319.40, 2,127,714.30 and 857,682.60 is: 1,284,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,319.40 : 2,127,714.30 = 857,682.60 : x
  2. Step 2: Convert to fraction form
    1,420,319.40/2,127,714.30 = 857,682.60/x
  3. Step 3: Cross multiply
    1,420,319.40x = 2,127,714.30 × 857,682.60
  4. Step 4: Simplify right side
    1,420,319.40x = 1,824,903,532,881.18
  5. Step 5: Solve for x
    x = 1,824,903,532,881.18/1,420,319.40
  6. Step 6: Final answer
    x = 1,284,854.33

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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.