Home / 1,000,662.21-1,501,273.89-402,043.68

Finding the Fourth Proportional to 1,000,662.21, 1,501,273.89 and 402,043.68

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Solution

The fourth proportional to 1,000,662.21, 1,501,273.89 and 402,043.68 is: 603,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,662.21 : 1,501,273.89 = 402,043.68 : x
  2. Step 2: Convert to fraction form
    1,000,662.21/1,501,273.89 = 402,043.68/x
  3. Step 3: Cross multiply
    1,000,662.21x = 1,501,273.89 × 402,043.68
  4. Step 4: Simplify right side
    1,000,662.21x = 603,577,679,423.52
  5. Step 5: Solve for x
    x = 603,577,679,423.52/1,000,662.21
  6. Step 6: Final answer
    x = 603,178.25

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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.