Home / 1,362,666.40-2,043,999.60-415,914.10

Finding the Fourth Proportional to 1,362,666.40, 2,043,999.60 and 415,914.10

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Solution

The fourth proportional to 1,362,666.40, 2,043,999.60 and 415,914.10 is: 623,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,666.40 : 2,043,999.60 = 415,914.10 : x
  2. Step 2: Convert to fraction form
    1,362,666.40/2,043,999.60 = 415,914.10/x
  3. Step 3: Cross multiply
    1,362,666.40x = 2,043,999.60 × 415,914.10
  4. Step 4: Simplify right side
    1,362,666.40x = 850,128,254,034.36
  5. Step 5: Solve for x
    x = 850,128,254,034.36/1,362,666.40
  6. Step 6: Final answer
    x = 623,871.15

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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.