Home / 1,123,505.50-1,685,092.40-413,368.38

Finding the Fourth Proportional to 1,123,505.50, 1,685,092.40 and 413,368.38

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Solution

The fourth proportional to 1,123,505.50, 1,685,092.40 and 413,368.38 is: 619,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,505.50 : 1,685,092.40 = 413,368.38 : x
  2. Step 2: Convert to fraction form
    1,123,505.50/1,685,092.40 = 413,368.38/x
  3. Step 3: Cross multiply
    1,123,505.50x = 1,685,092.40 × 413,368.38
  4. Step 4: Simplify right side
    1,123,505.50x = 696,563,915,538.31
  5. Step 5: Solve for x
    x = 696,563,915,538.31/1,123,505.50
  6. Step 6: Final answer
    x = 619,991.55

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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.