Home / 1,335,288.60-2,000,211.30-828,293.40

Finding the Fourth Proportional to 1,335,288.60, 2,000,211.30 and 828,293.40

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Solution

The fourth proportional to 1,335,288.60, 2,000,211.30 and 828,293.40 is: 1,240,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,288.60 : 2,000,211.30 = 828,293.40 : x
  2. Step 2: Convert to fraction form
    1,335,288.60/2,000,211.30 = 828,293.40/x
  3. Step 3: Cross multiply
    1,335,288.60x = 2,000,211.30 × 828,293.40
  4. Step 4: Simplify right side
    1,335,288.60x = 1,656,761,818,395.42
  5. Step 5: Solve for x
    x = 1,656,761,818,395.42/1,335,288.60
  6. Step 6: Final answer
    x = 1,240,751.86

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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.