Home / 1,446,828.40-2,171,279.40-815,071.60

Finding the Fourth Proportional to 1,446,828.40, 2,171,279.40 and 815,071.60

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Solution

The fourth proportional to 1,446,828.40, 2,171,279.40 and 815,071.60 is: 1,223,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,828.40 : 2,171,279.40 = 815,071.60 : x
  2. Step 2: Convert to fraction form
    1,446,828.40/2,171,279.40 = 815,071.60/x
  3. Step 3: Cross multiply
    1,446,828.40x = 2,171,279.40 × 815,071.60
  4. Step 4: Simplify right side
    1,446,828.40x = 1,769,748,174,605.04
  5. Step 5: Solve for x
    x = 1,769,748,174,605.04/1,446,828.40
  6. Step 6: Final answer
    x = 1,223,191.48

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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.