Home / 1,335,353.60-2,000,308.80-828,358.40

Finding the Fourth Proportional to 1,335,353.60, 2,000,308.80 and 828,358.40

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Solution

The fourth proportional to 1,335,353.60, 2,000,308.80 and 828,358.40 is: 1,240,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,353.60 : 2,000,308.80 = 828,358.40 : x
  2. Step 2: Convert to fraction form
    1,335,353.60/2,000,308.80 = 828,358.40/x
  3. Step 3: Cross multiply
    1,335,353.60x = 2,000,308.80 × 828,358.40
  4. Step 4: Simplify right side
    1,335,353.60x = 1,656,972,597,073.92
  5. Step 5: Solve for x
    x = 1,656,972,597,073.92/1,335,353.60
  6. Step 6: Final answer
    x = 1,240,849.31

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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.