Home / 1,012,551.25-1,518,828.37-413,512.45

Finding the Fourth Proportional to 1,012,551.25, 1,518,828.37 and 413,512.45

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Solution

The fourth proportional to 1,012,551.25, 1,518,828.37 and 413,512.45 is: 620,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,551.25 : 1,518,828.37 = 413,512.45 : x
  2. Step 2: Convert to fraction form
    1,012,551.25/1,518,828.37 = 413,512.45/x
  3. Step 3: Cross multiply
    1,012,551.25x = 1,518,828.37 × 413,512.45
  4. Step 4: Simplify right side
    1,012,551.25x = 628,054,440,408.21
  5. Step 5: Solve for x
    x = 628,054,440,408.21/1,012,551.25
  6. Step 6: Final answer
    x = 620,269.29

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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.