Home / 1,353,128.45-2,027,533.64-991,624.03

Finding the Fourth Proportional to 1,353,128.45, 2,027,533.64 and 991,624.03

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Solution

The fourth proportional to 1,353,128.45, 2,027,533.64 and 991,624.03 is: 1,485,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,128.45 : 2,027,533.64 = 991,624.03 : x
  2. Step 2: Convert to fraction form
    1,353,128.45/2,027,533.64 = 991,624.03/x
  3. Step 3: Cross multiply
    1,353,128.45x = 2,027,533.64 × 991,624.03
  4. Step 4: Simplify right side
    1,353,128.45x = 2,010,551,069,030.41
  5. Step 5: Solve for x
    x = 2,010,551,069,030.41/1,353,128.45
  6. Step 6: Final answer
    x = 1,485,853.82

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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.