Home / 1,266,566.94-1,900,047.24-425,315.52

Finding the Fourth Proportional to 1,266,566.94, 1,900,047.24 and 425,315.52

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Solution

The fourth proportional to 1,266,566.94, 1,900,047.24 and 425,315.52 is: 638,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,566.94 : 1,900,047.24 = 425,315.52 : x
  2. Step 2: Convert to fraction form
    1,266,566.94/1,900,047.24 = 425,315.52/x
  3. Step 3: Cross multiply
    1,266,566.94x = 1,900,047.24 × 425,315.52
  4. Step 4: Simplify right side
    1,266,566.94x = 808,119,583,474.27
  5. Step 5: Solve for x
    x = 808,119,583,474.27/1,266,566.94
  6. Step 6: Final answer
    x = 638,039.38

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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.