Home / 1,335,289.60-2,000,212.80-828,294.40

Finding the Fourth Proportional to 1,335,289.60, 2,000,212.80 and 828,294.40

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Solution

The fourth proportional to 1,335,289.60, 2,000,212.80 and 828,294.40 is: 1,240,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,289.60 : 2,000,212.80 = 828,294.40 : x
  2. Step 2: Convert to fraction form
    1,335,289.60/2,000,212.80 = 828,294.40/x
  3. Step 3: Cross multiply
    1,335,289.60x = 2,000,212.80 × 828,294.40
  4. Step 4: Simplify right side
    1,335,289.60x = 1,656,765,061,048.32
  5. Step 5: Solve for x
    x = 1,656,765,061,048.32/1,335,289.60
  6. Step 6: Final answer
    x = 1,240,753.36

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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.