Home / 1,404,787.52-2,107,118-458,166.40

Finding the Fourth Proportional to 1,404,787.52, 2,107,118 and 458,166.40

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Solution

The fourth proportional to 1,404,787.52, 2,107,118 and 458,166.40 is: 687,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,787.52 : 2,107,118 = 458,166.40 : x
  2. Step 2: Convert to fraction form
    1,404,787.52/2,107,118 = 458,166.40/x
  3. Step 3: Cross multiply
    1,404,787.52x = 2,107,118 × 458,166.40
  4. Step 4: Simplify right side
    1,404,787.52x = 965,410,668,435.20
  5. Step 5: Solve for x
    x = 965,410,668,435.20/1,404,787.52
  6. Step 6: Final answer
    x = 687,228.96

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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.