Home / 1,274,284.04-1,911,702.54-387,797

Finding the Fourth Proportional to 1,274,284.04, 1,911,702.54 and 387,797

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Solution

The fourth proportional to 1,274,284.04, 1,911,702.54 and 387,797 is: 581,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,284.04 : 1,911,702.54 = 387,797 : x
  2. Step 2: Convert to fraction form
    1,274,284.04/1,911,702.54 = 387,797/x
  3. Step 3: Cross multiply
    1,274,284.04x = 1,911,702.54 × 387,797
  4. Step 4: Simplify right side
    1,274,284.04x = 741,352,509,904.38
  5. Step 5: Solve for x
    x = 741,352,509,904.38/1,274,284.04
  6. Step 6: Final answer
    x = 581,779.64

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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.