Home / 1,340,587.40-2,011,005.05-381,063.02

Finding the Fourth Proportional to 1,340,587.40, 2,011,005.05 and 381,063.02

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Solution

The fourth proportional to 1,340,587.40, 2,011,005.05 and 381,063.02 is: 571,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,587.40 : 2,011,005.05 = 381,063.02 : x
  2. Step 2: Convert to fraction form
    1,340,587.40/2,011,005.05 = 381,063.02/x
  3. Step 3: Cross multiply
    1,340,587.40x = 2,011,005.05 × 381,063.02
  4. Step 4: Simplify right side
    1,340,587.40x = 766,319,645,627.91
  5. Step 5: Solve for x
    x = 766,319,645,627.91/1,340,587.40
  6. Step 6: Final answer
    x = 571,629.76

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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.