Home / 1,045,578.95-1,568,243.84-287,497.45

Finding the Fourth Proportional to 1,045,578.95, 1,568,243.84 and 287,497.45

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Solution

The fourth proportional to 1,045,578.95, 1,568,243.84 and 287,497.45 is: 431,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,578.95 : 1,568,243.84 = 287,497.45 : x
  2. Step 2: Convert to fraction form
    1,045,578.95/1,568,243.84 = 287,497.45/x
  3. Step 3: Cross multiply
    1,045,578.95x = 1,568,243.84 × 287,497.45
  4. Step 4: Simplify right side
    1,045,578.95x = 450,866,105,501.03
  5. Step 5: Solve for x
    x = 450,866,105,501.03/1,045,578.95
  6. Step 6: Final answer
    x = 431,211.92

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Double scale
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1.5x scale

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.