Home / 1,266,037.56-1,899,056.34-424,586.88

Finding the Fourth Proportional to 1,266,037.56, 1,899,056.34 and 424,586.88

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Solution

The fourth proportional to 1,266,037.56, 1,899,056.34 and 424,586.88 is: 636,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,037.56 : 1,899,056.34 = 424,586.88 : x
  2. Step 2: Convert to fraction form
    1,266,037.56/1,899,056.34 = 424,586.88/x
  3. Step 3: Cross multiply
    1,266,037.56x = 1,899,056.34 × 424,586.88
  4. Step 4: Simplify right side
    1,266,037.56x = 806,314,406,344.82
  5. Step 5: Solve for x
    x = 806,314,406,344.82/1,266,037.56
  6. Step 6: Final answer
    x = 636,880.32

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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.