Home / 1,686,129.73-2,326,801.29-961,210.90

Finding the Fourth Proportional to 1,686,129.73, 2,326,801.29 and 961,210.90

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Solution

The fourth proportional to 1,686,129.73, 2,326,801.29 and 961,210.90 is: 1,326,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,129.73 : 2,326,801.29 = 961,210.90 : x
  2. Step 2: Convert to fraction form
    1,686,129.73/2,326,801.29 = 961,210.90/x
  3. Step 3: Cross multiply
    1,686,129.73x = 2,326,801.29 × 961,210.90
  4. Step 4: Simplify right side
    1,686,129.73x = 2,236,546,762,082.06
  5. Step 5: Solve for x
    x = 2,236,546,762,082.06/1,686,129.73
  6. Step 6: Final answer
    x = 1,326,438.13

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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.