Home / 1,354,080.40-2,030,537.40-679,901.20

Finding the Fourth Proportional to 1,354,080.40, 2,030,537.40 and 679,901.20

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Solution

The fourth proportional to 1,354,080.40, 2,030,537.40 and 679,901.20 is: 1,019,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,080.40 : 2,030,537.40 = 679,901.20 : x
  2. Step 2: Convert to fraction form
    1,354,080.40/2,030,537.40 = 679,901.20/x
  3. Step 3: Cross multiply
    1,354,080.40x = 2,030,537.40 × 679,901.20
  4. Step 4: Simplify right side
    1,354,080.40x = 1,380,564,814,904.88
  5. Step 5: Solve for x
    x = 1,380,564,814,904.88/1,354,080.40
  6. Step 6: Final answer
    x = 1,019,558.97

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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.