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Finding the Fourth Proportional to 1,255,952, 1,733,370.72 and 719,408

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Solution

The fourth proportional to 1,255,952, 1,733,370.72 and 719,408 is: 992,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,952 : 1,733,370.72 = 719,408 : x
  2. Step 2: Convert to fraction form
    1,255,952/1,733,370.72 = 719,408/x
  3. Step 3: Cross multiply
    1,255,952x = 1,733,370.72 × 719,408
  4. Step 4: Simplify right side
    1,255,952x = 1,247,000,762,933.76
  5. Step 5: Solve for x
    x = 1,247,000,762,933.76/1,255,952
  6. Step 6: Final answer
    x = 992,872.95

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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.