Home / 1,372,211.87-1,893,693.92-760,307.40

Finding the Fourth Proportional to 1,372,211.87, 1,893,693.92 and 760,307.40

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Solution

The fourth proportional to 1,372,211.87, 1,893,693.92 and 760,307.40 is: 1,049,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,211.87 : 1,893,693.92 = 760,307.40 : x
  2. Step 2: Convert to fraction form
    1,372,211.87/1,893,693.92 = 760,307.40/x
  3. Step 3: Cross multiply
    1,372,211.87x = 1,893,693.92 × 760,307.40
  4. Step 4: Simplify right side
    1,372,211.87x = 1,439,789,496,909.47
  5. Step 5: Solve for x
    x = 1,439,789,496,909.47/1,372,211.87
  6. Step 6: Final answer
    x = 1,049,247.23

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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.