Home / 1,288,082.55-1,932,123.83-328,536.30

Finding the Fourth Proportional to 1,288,082.55, 1,932,123.83 and 328,536.30

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Solution

The fourth proportional to 1,288,082.55, 1,932,123.83 and 328,536.30 is: 492,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,082.55 : 1,932,123.83 = 328,536.30 : x
  2. Step 2: Convert to fraction form
    1,288,082.55/1,932,123.83 = 328,536.30/x
  3. Step 3: Cross multiply
    1,288,082.55x = 1,932,123.83 × 328,536.30
  4. Step 4: Simplify right side
    1,288,082.55x = 634,772,812,607.35
  5. Step 5: Solve for x
    x = 634,772,812,607.35/1,288,082.55
  6. Step 6: Final answer
    x = 492,804.45

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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.