Home / 1,538,473.83-2,308,386.29-818,645.87

Finding the Fourth Proportional to 1,538,473.83, 2,308,386.29 and 818,645.87

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Solution

The fourth proportional to 1,538,473.83, 2,308,386.29 and 818,645.87 is: 1,228,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,473.83 : 2,308,386.29 = 818,645.87 : x
  2. Step 2: Convert to fraction form
    1,538,473.83/2,308,386.29 = 818,645.87/x
  3. Step 3: Cross multiply
    1,538,473.83x = 2,308,386.29 × 818,645.87
  4. Step 4: Simplify right side
    1,538,473.83x = 1,889,750,887,037.96
  5. Step 5: Solve for x
    x = 1,889,750,887,037.96/1,538,473.83
  6. Step 6: Final answer
    x = 1,228,328.26

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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.