Home / 1,408,712.10-1,944,023.67-764,130.30

Finding the Fourth Proportional to 1,408,712.10, 1,944,023.67 and 764,130.30

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Solution

The fourth proportional to 1,408,712.10, 1,944,023.67 and 764,130.30 is: 1,054,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,712.10 : 1,944,023.67 = 764,130.30 : x
  2. Step 2: Convert to fraction form
    1,408,712.10/1,944,023.67 = 764,130.30/x
  3. Step 3: Cross multiply
    1,408,712.10x = 1,944,023.67 × 764,130.30
  4. Step 4: Simplify right side
    1,408,712.10x = 1,485,487,390,164.20
  5. Step 5: Solve for x
    x = 1,485,487,390,164.20/1,408,712.10
  6. Step 6: Final answer
    x = 1,054,500.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.