Home / 1,012,548.57-1,518,824.33-413,509.76

Finding the Fourth Proportional to 1,012,548.57, 1,518,824.33 and 413,509.76

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Solution

The fourth proportional to 1,012,548.57, 1,518,824.33 and 413,509.76 is: 620,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,548.57 : 1,518,824.33 = 413,509.76 : x
  2. Step 2: Convert to fraction form
    1,012,548.57/1,518,824.33 = 413,509.76/x
  3. Step 3: Cross multiply
    1,012,548.57x = 1,518,824.33 × 413,509.76
  4. Step 4: Simplify right side
    1,012,548.57x = 628,048,684,091.04
  5. Step 5: Solve for x
    x = 628,048,684,091.04/1,012,548.57
  6. Step 6: Final answer
    x = 620,265.24

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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.