Home / 1,315,202.40-1,973,581.20-959,320.80

Finding the Fourth Proportional to 1,315,202.40, 1,973,581.20 and 959,320.80

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Solution

The fourth proportional to 1,315,202.40, 1,973,581.20 and 959,320.80 is: 1,439,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,202.40 : 1,973,581.20 = 959,320.80 : x
  2. Step 2: Convert to fraction form
    1,315,202.40/1,973,581.20 = 959,320.80/x
  3. Step 3: Cross multiply
    1,315,202.40x = 1,973,581.20 × 959,320.80
  4. Step 4: Simplify right side
    1,315,202.40x = 1,893,297,495,648.96
  5. Step 5: Solve for x
    x = 1,893,297,495,648.96/1,315,202.40
  6. Step 6: Final answer
    x = 1,439,548.39

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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.