Home / 1,008,027.60-1,512,041.40-905,384.40

Finding the Fourth Proportional to 1,008,027.60, 1,512,041.40 and 905,384.40

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Solution

The fourth proportional to 1,008,027.60, 1,512,041.40 and 905,384.40 is: 1,358,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,027.60 : 1,512,041.40 = 905,384.40 : x
  2. Step 2: Convert to fraction form
    1,008,027.60/1,512,041.40 = 905,384.40/x
  3. Step 3: Cross multiply
    1,008,027.60x = 1,512,041.40 × 905,384.40
  4. Step 4: Simplify right side
    1,008,027.60x = 1,368,978,695,714.16
  5. Step 5: Solve for x
    x = 1,368,978,695,714.16/1,008,027.60
  6. Step 6: Final answer
    x = 1,358,076.60

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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.