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Finding the Fourth Proportional to 1,446,828.03, 2,169,798.64 and 1,000,417.59

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Solution

The fourth proportional to 1,446,828.03, 2,169,798.64 and 1,000,417.59 is: 1,500,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,828.03 : 2,169,798.64 = 1,000,417.59 : x
  2. Step 2: Convert to fraction form
    1,446,828.03/2,169,798.64 = 1,000,417.59/x
  3. Step 3: Cross multiply
    1,446,828.03x = 2,169,798.64 × 1,000,417.59
  4. Step 4: Simplify right side
    1,446,828.03x = 2,170,704,723,713.03
  5. Step 5: Solve for x
    x = 2,170,704,723,713.03/1,446,828.03
  6. Step 6: Final answer
    x = 1,500,319.79

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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.