Home / 1,631,397.76-2,251,266.32-906,291.06

Finding the Fourth Proportional to 1,631,397.76, 2,251,266.32 and 906,291.06

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Solution

The fourth proportional to 1,631,397.76, 2,251,266.32 and 906,291.06 is: 1,250,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,397.76 : 2,251,266.32 = 906,291.06 : x
  2. Step 2: Convert to fraction form
    1,631,397.76/2,251,266.32 = 906,291.06/x
  3. Step 3: Cross multiply
    1,631,397.76x = 2,251,266.32 × 906,291.06
  4. Step 4: Simplify right side
    1,631,397.76x = 2,040,302,539,495.10
  5. Step 5: Solve for x
    x = 2,040,302,539,495.10/1,631,397.76
  6. Step 6: Final answer
    x = 1,250,646.89

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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.