Home / 1,337,947.47-1,846,423.35-764,987.49

Finding the Fourth Proportional to 1,337,947.47, 1,846,423.35 and 764,987.49

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Solution

The fourth proportional to 1,337,947.47, 1,846,423.35 and 764,987.49 is: 1,055,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,947.47 : 1,846,423.35 = 764,987.49 : x
  2. Step 2: Convert to fraction form
    1,337,947.47/1,846,423.35 = 764,987.49/x
  3. Step 3: Cross multiply
    1,337,947.47x = 1,846,423.35 × 764,987.49
  4. Step 4: Simplify right side
    1,337,947.47x = 1,412,490,763,993.89
  5. Step 5: Solve for x
    x = 1,412,490,763,993.89/1,337,947.47
  6. Step 6: Final answer
    x = 1,055,714.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.