Home / 1,037,386.62-1,555,705.50-438,394.04

Finding the Fourth Proportional to 1,037,386.62, 1,555,705.50 and 438,394.04

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Solution

The fourth proportional to 1,037,386.62, 1,555,705.50 and 438,394.04 is: 657,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,386.62 : 1,555,705.50 = 438,394.04 : x
  2. Step 2: Convert to fraction form
    1,037,386.62/1,555,705.50 = 438,394.04/x
  3. Step 3: Cross multiply
    1,037,386.62x = 1,555,705.50 × 438,394.04
  4. Step 4: Simplify right side
    1,037,386.62x = 682,012,019,195.22
  5. Step 5: Solve for x
    x = 682,012,019,195.22/1,037,386.62
  6. Step 6: Final answer
    x = 657,432.83

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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.