Home / 1,650,363.80-2,475,703.40-512,820.51

Finding the Fourth Proportional to 1,650,363.80, 2,475,703.40 and 512,820.51

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Solution

The fourth proportional to 1,650,363.80, 2,475,703.40 and 512,820.51 is: 769,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,363.80 : 2,475,703.40 = 512,820.51 : x
  2. Step 2: Convert to fraction form
    1,650,363.80/2,475,703.40 = 512,820.51/x
  3. Step 3: Cross multiply
    1,650,363.80x = 2,475,703.40 × 512,820.51
  4. Step 4: Simplify right side
    1,650,363.80x = 1,269,591,481,478.79
  5. Step 5: Solve for x
    x = 1,269,591,481,478.79/1,650,363.80
  6. Step 6: Final answer
    x = 769,279.77

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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.