Home / 1,129,775.94-1,559,103.08-620,478.27

Finding the Fourth Proportional to 1,129,775.94, 1,559,103.08 and 620,478.27

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Solution

The fourth proportional to 1,129,775.94, 1,559,103.08 and 620,478.27 is: 856,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,775.94 : 1,559,103.08 = 620,478.27 : x
  2. Step 2: Convert to fraction form
    1,129,775.94/1,559,103.08 = 620,478.27/x
  3. Step 3: Cross multiply
    1,129,775.94x = 1,559,103.08 × 620,478.27
  4. Step 4: Simplify right side
    1,129,775.94x = 967,389,578,727.68
  5. Step 5: Solve for x
    x = 967,389,578,727.68/1,129,775.94
  6. Step 6: Final answer
    x = 856,266.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.