Home / 1,323,999.60-1,985,999.40-437,535.60

Finding the Fourth Proportional to 1,323,999.60, 1,985,999.40 and 437,535.60

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Solution

The fourth proportional to 1,323,999.60, 1,985,999.40 and 437,535.60 is: 656,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,999.60 : 1,985,999.40 = 437,535.60 : x
  2. Step 2: Convert to fraction form
    1,323,999.60/1,985,999.40 = 437,535.60/x
  3. Step 3: Cross multiply
    1,323,999.60x = 1,985,999.40 × 437,535.60
  4. Step 4: Simplify right side
    1,323,999.60x = 868,945,439,078.64
  5. Step 5: Solve for x
    x = 868,945,439,078.64/1,323,999.60
  6. Step 6: Final answer
    x = 656,303.40

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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.