Home / 1,038,962.38-1,434,006.78-609,380.90

Finding the Fourth Proportional to 1,038,962.38, 1,434,006.78 and 609,380.90

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Solution

The fourth proportional to 1,038,962.38, 1,434,006.78 and 609,380.90 is: 841,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,962.38 : 1,434,006.78 = 609,380.90 : x
  2. Step 2: Convert to fraction form
    1,038,962.38/1,434,006.78 = 609,380.90/x
  3. Step 3: Cross multiply
    1,038,962.38x = 1,434,006.78 × 609,380.90
  4. Step 4: Simplify right side
    1,038,962.38x = 873,856,342,202.50
  5. Step 5: Solve for x
    x = 873,856,342,202.50/1,038,962.38
  6. Step 6: Final answer
    x = 841,085.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.