Home / 1,349,415.20-2,023,138.65-550,285.40

Finding the Fourth Proportional to 1,349,415.20, 2,023,138.65 and 550,285.40

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Solution

The fourth proportional to 1,349,415.20, 2,023,138.65 and 550,285.40 is: 825,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,415.20 : 2,023,138.65 = 550,285.40 : x
  2. Step 2: Convert to fraction form
    1,349,415.20/2,023,138.65 = 550,285.40/x
  3. Step 3: Cross multiply
    1,349,415.20x = 2,023,138.65 × 550,285.40
  4. Step 4: Simplify right side
    1,349,415.20x = 1,113,303,661,270.71
  5. Step 5: Solve for x
    x = 1,113,303,661,270.71/1,349,415.20
  6. Step 6: Final answer
    x = 825,026.77

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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.