Home / 1,300,985.19-1,795,373.69-720,217.94

Finding the Fourth Proportional to 1,300,985.19, 1,795,373.69 and 720,217.94

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Solution

The fourth proportional to 1,300,985.19, 1,795,373.69 and 720,217.94 is: 993,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,985.19 : 1,795,373.69 = 720,217.94 : x
  2. Step 2: Convert to fraction form
    1,300,985.19/1,795,373.69 = 720,217.94/x
  3. Step 3: Cross multiply
    1,300,985.19x = 1,795,373.69 × 720,217.94
  4. Step 4: Simplify right side
    1,300,985.19x = 1,293,060,340,542.00
  5. Step 5: Solve for x
    x = 1,293,060,340,542.00/1,300,985.19
  6. Step 6: Final answer
    x = 993,908.58

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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.