Home / 1,136,700.80-1,705,707.30-426,800.60

Finding the Fourth Proportional to 1,136,700.80, 1,705,707.30 and 426,800.60

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Solution

The fourth proportional to 1,136,700.80, 1,705,707.30 and 426,800.60 is: 640,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,700.80 : 1,705,707.30 = 426,800.60 : x
  2. Step 2: Convert to fraction form
    1,136,700.80/1,705,707.30 = 426,800.60/x
  3. Step 3: Cross multiply
    1,136,700.80x = 1,705,707.30 × 426,800.60
  4. Step 4: Simplify right side
    1,136,700.80x = 727,996,899,064.38
  5. Step 5: Solve for x
    x = 727,996,899,064.38/1,136,700.80
  6. Step 6: Final answer
    x = 640,447.25

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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.