Home / 945,853.40-1,418,780.10-930,301.40

Finding the Fourth Proportional to 945,853.40, 1,418,780.10 and 930,301.40

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Solution

The fourth proportional to 945,853.40, 1,418,780.10 and 930,301.40 is: 1,395,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,853.40 : 1,418,780.10 = 930,301.40 : x
  2. Step 2: Convert to fraction form
    945,853.40/1,418,780.10 = 930,301.40/x
  3. Step 3: Cross multiply
    945,853.40x = 1,418,780.10 × 930,301.40
  4. Step 4: Simplify right side
    945,853.40x = 1,319,893,113,322.14
  5. Step 5: Solve for x
    x = 1,319,893,113,322.14/945,853.40
  6. Step 6: Final answer
    x = 1,395,452.10

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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.