Home / 1,249,767.20-1,874,650.80-303,136.40

Finding the Fourth Proportional to 1,249,767.20, 1,874,650.80 and 303,136.40

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Solution

The fourth proportional to 1,249,767.20, 1,874,650.80 and 303,136.40 is: 454,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,767.20 : 1,874,650.80 = 303,136.40 : x
  2. Step 2: Convert to fraction form
    1,249,767.20/1,874,650.80 = 303,136.40/x
  3. Step 3: Cross multiply
    1,249,767.20x = 1,874,650.80 × 303,136.40
  4. Step 4: Simplify right side
    1,249,767.20x = 568,274,894,769.12
  5. Step 5: Solve for x
    x = 568,274,894,769.12/1,249,767.20
  6. Step 6: Final answer
    x = 454,704.60

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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.