Home / 1,123,404.10-1,685,113.35-449,541.70

Finding the Fourth Proportional to 1,123,404.10, 1,685,113.35 and 449,541.70

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Solution

The fourth proportional to 1,123,404.10, 1,685,113.35 and 449,541.70 is: 674,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,404.10 : 1,685,113.35 = 449,541.70 : x
  2. Step 2: Convert to fraction form
    1,123,404.10/1,685,113.35 = 449,541.70/x
  3. Step 3: Cross multiply
    1,123,404.10x = 1,685,113.35 × 449,541.70
  4. Step 4: Simplify right side
    1,123,404.10x = 757,528,720,051.70
  5. Step 5: Solve for x
    x = 757,528,720,051.70/1,123,404.10
  6. Step 6: Final answer
    x = 674,315.43

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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.