Home / 1,249,768.20-1,874,652.30-303,137.40

Finding the Fourth Proportional to 1,249,768.20, 1,874,652.30 and 303,137.40

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Solution

The fourth proportional to 1,249,768.20, 1,874,652.30 and 303,137.40 is: 454,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,768.20 : 1,874,652.30 = 303,137.40 : x
  2. Step 2: Convert to fraction form
    1,249,768.20/1,874,652.30 = 303,137.40/x
  3. Step 3: Cross multiply
    1,249,768.20x = 1,874,652.30 × 303,137.40
  4. Step 4: Simplify right side
    1,249,768.20x = 568,277,224,126.02
  5. Step 5: Solve for x
    x = 568,277,224,126.02/1,249,768.20
  6. Step 6: Final answer
    x = 454,706.10

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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.