Home / 1,235,260.60-1,852,890.90-1,214,265.40

Finding the Fourth Proportional to 1,235,260.60, 1,852,890.90 and 1,214,265.40

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Solution

The fourth proportional to 1,235,260.60, 1,852,890.90 and 1,214,265.40 is: 1,821,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,260.60 : 1,852,890.90 = 1,214,265.40 : x
  2. Step 2: Convert to fraction form
    1,235,260.60/1,852,890.90 = 1,214,265.40/x
  3. Step 3: Cross multiply
    1,235,260.60x = 1,852,890.90 × 1,214,265.40
  4. Step 4: Simplify right side
    1,235,260.60x = 2,249,901,309,844.86
  5. Step 5: Solve for x
    x = 2,249,901,309,844.86/1,235,260.60
  6. Step 6: Final answer
    x = 1,821,398.10

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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.