Home / 1,136,378.06-1,704,124.11-426,018.50

Finding the Fourth Proportional to 1,136,378.06, 1,704,124.11 and 426,018.50

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Solution

The fourth proportional to 1,136,378.06, 1,704,124.11 and 426,018.50 is: 638,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,378.06 : 1,704,124.11 = 426,018.50 : x
  2. Step 2: Convert to fraction form
    1,136,378.06/1,704,124.11 = 426,018.50/x
  3. Step 3: Cross multiply
    1,136,378.06x = 1,704,124.11 × 426,018.50
  4. Step 4: Simplify right side
    1,136,378.06x = 725,988,397,156.04
  5. Step 5: Solve for x
    x = 725,988,397,156.04/1,136,378.06
  6. Step 6: Final answer
    x = 638,861.68

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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.