Home / 1,087,975.18-1,621,027.76-1,026,858.25

Finding the Fourth Proportional to 1,087,975.18, 1,621,027.76 and 1,026,858.25

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Solution

The fourth proportional to 1,087,975.18, 1,621,027.76 and 1,026,858.25 is: 1,529,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,975.18 : 1,621,027.76 = 1,026,858.25 : x
  2. Step 2: Convert to fraction form
    1,087,975.18/1,621,027.76 = 1,026,858.25/x
  3. Step 3: Cross multiply
    1,087,975.18x = 1,621,027.76 × 1,026,858.25
  4. Step 4: Simplify right side
    1,087,975.18x = 1,664,565,728,835.02
  5. Step 5: Solve for x
    x = 1,664,565,728,835.02/1,087,975.18
  6. Step 6: Final answer
    x = 1,529,966.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.