Home / 1,127,023.65-1,557,354.69-820,567.83

Finding the Fourth Proportional to 1,127,023.65, 1,557,354.69 and 820,567.83

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Solution

The fourth proportional to 1,127,023.65, 1,557,354.69 and 820,567.83 is: 1,133,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,023.65 : 1,557,354.69 = 820,567.83 : x
  2. Step 2: Convert to fraction form
    1,127,023.65/1,557,354.69 = 820,567.83/x
  3. Step 3: Cross multiply
    1,127,023.65x = 1,557,354.69 × 820,567.83
  4. Step 4: Simplify right side
    1,127,023.65x = 1,277,915,158,513.62
  5. Step 5: Solve for x
    x = 1,277,915,158,513.62/1,127,023.65
  6. Step 6: Final answer
    x = 1,133,884.95

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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.