Home / 1,420,906-2,132,411.04-672,954.16

Finding the Fourth Proportional to 1,420,906, 2,132,411.04 and 672,954.16

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Solution

The fourth proportional to 1,420,906, 2,132,411.04 and 672,954.16 is: 1,009,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,906 : 2,132,411.04 = 672,954.16 : x
  2. Step 2: Convert to fraction form
    1,420,906/2,132,411.04 = 672,954.16/x
  3. Step 3: Cross multiply
    1,420,906x = 2,132,411.04 × 672,954.16
  4. Step 4: Simplify right side
    1,420,906x = 1,435,014,880,197.93
  5. Step 5: Solve for x
    x = 1,435,014,880,197.93/1,420,906
  6. Step 6: Final answer
    x = 1,009,929.50

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Double scale
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Similar ratio
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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.