Home / 1,820,660.80-2,731,120.80-558,486.40

Finding the Fourth Proportional to 1,820,660.80, 2,731,120.80 and 558,486.40

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Solution

The fourth proportional to 1,820,660.80, 2,731,120.80 and 558,486.40 is: 837,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,660.80 : 2,731,120.80 = 558,486.40 : x
  2. Step 2: Convert to fraction form
    1,820,660.80/2,731,120.80 = 558,486.40/x
  3. Step 3: Cross multiply
    1,820,660.80x = 2,731,120.80 × 558,486.40
  4. Step 4: Simplify right side
    1,820,660.80x = 1,525,293,823,557.12
  5. Step 5: Solve for x
    x = 1,525,293,823,557.12/1,820,660.80
  6. Step 6: Final answer
    x = 837,769.35

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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.