Home / 1,662,929.80-2,495,129.10-809,528.20

Finding the Fourth Proportional to 1,662,929.80, 2,495,129.10 and 809,528.20

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Solution

The fourth proportional to 1,662,929.80, 2,495,129.10 and 809,528.20 is: 1,214,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,929.80 : 2,495,129.10 = 809,528.20 : x
  2. Step 2: Convert to fraction form
    1,662,929.80/2,495,129.10 = 809,528.20/x
  3. Step 3: Cross multiply
    1,662,929.80x = 2,495,129.10 × 809,528.20
  4. Step 4: Simplify right side
    1,662,929.80x = 2,019,877,369,090.62
  5. Step 5: Solve for x
    x = 2,019,877,369,090.62/1,662,929.80
  6. Step 6: Final answer
    x = 1,214,649.81

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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.