Home / 945,987.40-1,418,981.10-930,435.40

Finding the Fourth Proportional to 945,987.40, 1,418,981.10 and 930,435.40

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Solution

The fourth proportional to 945,987.40, 1,418,981.10 and 930,435.40 is: 1,395,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,987.40 : 1,418,981.10 = 930,435.40 : x
  2. Step 2: Convert to fraction form
    945,987.40/1,418,981.10 = 930,435.40/x
  3. Step 3: Cross multiply
    945,987.40x = 1,418,981.10 × 930,435.40
  4. Step 4: Simplify right side
    945,987.40x = 1,320,270,247,370.94
  5. Step 5: Solve for x
    x = 1,320,270,247,370.94/945,987.40
  6. Step 6: Final answer
    x = 1,395,653.10

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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.