Home / 1,536,479.21-2,303,981.18-726,188.69

Finding the Fourth Proportional to 1,536,479.21, 2,303,981.18 and 726,188.69

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Solution

The fourth proportional to 1,536,479.21, 2,303,981.18 and 726,188.69 is: 1,088,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,479.21 : 2,303,981.18 = 726,188.69 : x
  2. Step 2: Convert to fraction form
    1,536,479.21/2,303,981.18 = 726,188.69/x
  3. Step 3: Cross multiply
    1,536,479.21x = 2,303,981.18 × 726,188.69
  4. Step 4: Simplify right side
    1,536,479.21x = 1,673,125,071,257.91
  5. Step 5: Solve for x
    x = 1,673,125,071,257.91/1,536,479.21
  6. Step 6: Final answer
    x = 1,088,934.40

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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.