Home / 1,238,925.96-1,709,510.58-729,729.72

Finding the Fourth Proportional to 1,238,925.96, 1,709,510.58 and 729,729.72

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Solution

The fourth proportional to 1,238,925.96, 1,709,510.58 and 729,729.72 is: 1,006,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,925.96 : 1,709,510.58 = 729,729.72 : x
  2. Step 2: Convert to fraction form
    1,238,925.96/1,709,510.58 = 729,729.72/x
  3. Step 3: Cross multiply
    1,238,925.96x = 1,709,510.58 × 729,729.72
  4. Step 4: Simplify right side
    1,238,925.96x = 1,247,480,676,880.44
  5. Step 5: Solve for x
    x = 1,247,480,676,880.44/1,238,925.96
  6. Step 6: Final answer
    x = 1,006,904.95

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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.