Home / 1,266,804.76-1,900,382.10-425,597.08

Finding the Fourth Proportional to 1,266,804.76, 1,900,382.10 and 425,597.08

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Solution

The fourth proportional to 1,266,804.76, 1,900,382.10 and 425,597.08 is: 638,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,804.76 : 1,900,382.10 = 425,597.08 : x
  2. Step 2: Convert to fraction form
    1,266,804.76/1,900,382.10 = 425,597.08/x
  3. Step 3: Cross multiply
    1,266,804.76x = 1,900,382.10 × 425,597.08
  4. Step 4: Simplify right side
    1,266,804.76x = 808,797,072,644.27
  5. Step 5: Solve for x
    x = 808,797,072,644.27/1,266,804.76
  6. Step 6: Final answer
    x = 638,454.40

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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.