Home / 1,655,284.40-2,483,387.40-813,863.60

Finding the Fourth Proportional to 1,655,284.40, 2,483,387.40 and 813,863.60

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Solution

The fourth proportional to 1,655,284.40, 2,483,387.40 and 813,863.60 is: 1,221,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,284.40 : 2,483,387.40 = 813,863.60 : x
  2. Step 2: Convert to fraction form
    1,655,284.40/2,483,387.40 = 813,863.60/x
  3. Step 3: Cross multiply
    1,655,284.40x = 2,483,387.40 × 813,863.60
  4. Step 4: Simplify right side
    1,655,284.40x = 2,021,138,609,558.64
  5. Step 5: Solve for x
    x = 2,021,138,609,558.64/1,655,284.40
  6. Step 6: Final answer
    x = 1,221,021.96

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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.