Home / 1,786,055.40-2,679,428.70-523,924.20

Finding the Fourth Proportional to 1,786,055.40, 2,679,428.70 and 523,924.20

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Solution

The fourth proportional to 1,786,055.40, 2,679,428.70 and 523,924.20 is: 785,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,055.40 : 2,679,428.70 = 523,924.20 : x
  2. Step 2: Convert to fraction form
    1,786,055.40/2,679,428.70 = 523,924.20/x
  3. Step 3: Cross multiply
    1,786,055.40x = 2,679,428.70 × 523,924.20
  4. Step 4: Simplify right side
    1,786,055.40x = 1,403,817,538,104.54
  5. Step 5: Solve for x
    x = 1,403,817,538,104.54/1,786,055.40
  6. Step 6: Final answer
    x = 785,987.68

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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.