Home / 1,123,312.55-1,684,953.23-1,051,505.78

Finding the Fourth Proportional to 1,123,312.55, 1,684,953.23 and 1,051,505.78

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Solution

The fourth proportional to 1,123,312.55, 1,684,953.23 and 1,051,505.78 is: 1,577,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,312.55 : 1,684,953.23 = 1,051,505.78 : x
  2. Step 2: Convert to fraction form
    1,123,312.55/1,684,953.23 = 1,051,505.78/x
  3. Step 3: Cross multiply
    1,123,312.55x = 1,684,953.23 × 1,051,505.78
  4. Step 4: Simplify right side
    1,123,312.55x = 1,771,738,046,692.37
  5. Step 5: Solve for x
    x = 1,771,738,046,692.37/1,123,312.55
  6. Step 6: Final answer
    x = 1,577,244.07

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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.