Home / 1,750,362.70-2,625,544.05-420,666.70

Finding the Fourth Proportional to 1,750,362.70, 2,625,544.05 and 420,666.70

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Solution

The fourth proportional to 1,750,362.70, 2,625,544.05 and 420,666.70 is: 631,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,362.70 : 2,625,544.05 = 420,666.70 : x
  2. Step 2: Convert to fraction form
    1,750,362.70/2,625,544.05 = 420,666.70/x
  3. Step 3: Cross multiply
    1,750,362.70x = 2,625,544.05 × 420,666.70
  4. Step 4: Simplify right side
    1,750,362.70x = 1,104,478,951,218.14
  5. Step 5: Solve for x
    x = 1,104,478,951,218.14/1,750,362.70
  6. Step 6: Final answer
    x = 631,000.05

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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.