Home / 1,029,417.60-1,544,137.92-430,469.76

Finding the Fourth Proportional to 1,029,417.60, 1,544,137.92 and 430,469.76

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Solution

The fourth proportional to 1,029,417.60, 1,544,137.92 and 430,469.76 is: 645,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,417.60 : 1,544,137.92 = 430,469.76 : x
  2. Step 2: Convert to fraction form
    1,029,417.60/1,544,137.92 = 430,469.76/x
  3. Step 3: Cross multiply
    1,029,417.60x = 1,544,137.92 × 430,469.76
  4. Step 4: Simplify right side
    1,029,417.60x = 664,704,679,829.30
  5. Step 5: Solve for x
    x = 664,704,679,829.30/1,029,417.60
  6. Step 6: Final answer
    x = 645,709.46

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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.