Home / 1,335,282.60-2,000,202.30-828,287.40

Finding the Fourth Proportional to 1,335,282.60, 2,000,202.30 and 828,287.40

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Solution

The fourth proportional to 1,335,282.60, 2,000,202.30 and 828,287.40 is: 1,240,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,282.60 : 2,000,202.30 = 828,287.40 : x
  2. Step 2: Convert to fraction form
    1,335,282.60/2,000,202.30 = 828,287.40/x
  3. Step 3: Cross multiply
    1,335,282.60x = 2,000,202.30 × 828,287.40
  4. Step 4: Simplify right side
    1,335,282.60x = 1,656,742,362,541.02
  5. Step 5: Solve for x
    x = 1,656,742,362,541.02/1,335,282.60
  6. Step 6: Final answer
    x = 1,240,742.87

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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.