Home / 1,095,811.72-1,643,718.18-719,115.55

Finding the Fourth Proportional to 1,095,811.72, 1,643,718.18 and 719,115.55

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Solution

The fourth proportional to 1,095,811.72, 1,643,718.18 and 719,115.55 is: 1,078,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,811.72 : 1,643,718.18 = 719,115.55 : x
  2. Step 2: Convert to fraction form
    1,095,811.72/1,643,718.18 = 719,115.55/x
  3. Step 3: Cross multiply
    1,095,811.72x = 1,643,718.18 × 719,115.55
  4. Step 4: Simplify right side
    1,095,811.72x = 1,182,023,303,055.70
  5. Step 5: Solve for x
    x = 1,182,023,303,055.70/1,095,811.72
  6. Step 6: Final answer
    x = 1,078,673.72

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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.