Home / 1,657,240.79-2,486,293.80-520,039.06

Finding the Fourth Proportional to 1,657,240.79, 2,486,293.80 and 520,039.06

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Solution

The fourth proportional to 1,657,240.79, 2,486,293.80 and 520,039.06 is: 780,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,240.79 : 2,486,293.80 = 520,039.06 : x
  2. Step 2: Convert to fraction form
    1,657,240.79/2,486,293.80 = 520,039.06/x
  3. Step 3: Cross multiply
    1,657,240.79x = 2,486,293.80 × 520,039.06
  4. Step 4: Simplify right side
    1,657,240.79x = 1,292,969,890,635.83
  5. Step 5: Solve for x
    x = 1,292,969,890,635.83/1,657,240.79
  6. Step 6: Final answer
    x = 780,194.34

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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.