Home / 1,045,869.76-1,568,598.04-287,515.54

Finding the Fourth Proportional to 1,045,869.76, 1,568,598.04 and 287,515.54

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Solution

The fourth proportional to 1,045,869.76, 1,568,598.04 and 287,515.54 is: 431,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,869.76 : 1,568,598.04 = 287,515.54 : x
  2. Step 2: Convert to fraction form
    1,045,869.76/1,568,598.04 = 287,515.54/x
  3. Step 3: Cross multiply
    1,045,869.76x = 1,568,598.04 × 287,515.54
  4. Step 4: Simplify right side
    1,045,869.76x = 450,996,312,513.54
  5. Step 5: Solve for x
    x = 450,996,312,513.54/1,045,869.76
  6. Step 6: Final answer
    x = 431,216.51

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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.