Home / 1,087,228.79-1,630,123.35-518,697.64

Finding the Fourth Proportional to 1,087,228.79, 1,630,123.35 and 518,697.64

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Solution

The fourth proportional to 1,087,228.79, 1,630,123.35 and 518,697.64 is: 777,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,228.79 : 1,630,123.35 = 518,697.64 : x
  2. Step 2: Convert to fraction form
    1,087,228.79/1,630,123.35 = 518,697.64/x
  3. Step 3: Cross multiply
    1,087,228.79x = 1,630,123.35 × 518,697.64
  4. Step 4: Simplify right side
    1,087,228.79x = 845,541,135,850.64
  5. Step 5: Solve for x
    x = 845,541,135,850.64/1,087,228.79
  6. Step 6: Final answer
    x = 777,703.04

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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.