Home / 1,380,597.21-2,070,983.30-434,005.29

Finding the Fourth Proportional to 1,380,597.21, 2,070,983.30 and 434,005.29

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Solution

The fourth proportional to 1,380,597.21, 2,070,983.30 and 434,005.29 is: 651,035.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,597.21 : 2,070,983.30 = 434,005.29 : x
  2. Step 2: Convert to fraction form
    1,380,597.21/2,070,983.30 = 434,005.29/x
  3. Step 3: Cross multiply
    1,380,597.21x = 2,070,983.30 × 434,005.29
  4. Step 4: Simplify right side
    1,380,597.21x = 898,817,705,531.63
  5. Step 5: Solve for x
    x = 898,817,705,531.63/1,380,597.21
  6. Step 6: Final answer
    x = 651,035.44

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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.