Home / 1,315,013.40-1,973,297.70-959,131.80

Finding the Fourth Proportional to 1,315,013.40, 1,973,297.70 and 959,131.80

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Solution

The fourth proportional to 1,315,013.40, 1,973,297.70 and 959,131.80 is: 1,439,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,013.40 : 1,973,297.70 = 959,131.80 : x
  2. Step 2: Convert to fraction form
    1,315,013.40/1,973,297.70 = 959,131.80/x
  3. Step 3: Cross multiply
    1,315,013.40x = 1,973,297.70 × 959,131.80
  4. Step 4: Simplify right side
    1,315,013.40x = 1,892,652,574,936.86
  5. Step 5: Solve for x
    x = 1,892,652,574,936.86/1,315,013.40
  6. Step 6: Final answer
    x = 1,439,264.86

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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.