Home / 1,352,212.15-1,865,981.74-740,247.64

Finding the Fourth Proportional to 1,352,212.15, 1,865,981.74 and 740,247.64

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Solution

The fourth proportional to 1,352,212.15, 1,865,981.74 and 740,247.64 is: 1,021,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,212.15 : 1,865,981.74 = 740,247.64 : x
  2. Step 2: Convert to fraction form
    1,352,212.15/1,865,981.74 = 740,247.64/x
  3. Step 3: Cross multiply
    1,352,212.15x = 1,865,981.74 × 740,247.64
  4. Step 4: Simplify right side
    1,352,212.15x = 1,381,288,579,318.09
  5. Step 5: Solve for x
    x = 1,381,288,579,318.09/1,352,212.15
  6. Step 6: Final answer
    x = 1,021,502.86

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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.