Home / 1,475,459.72-2,210,350.15-905,175.55

Finding the Fourth Proportional to 1,475,459.72, 2,210,350.15 and 905,175.55

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Solution

The fourth proportional to 1,475,459.72, 2,210,350.15 and 905,175.55 is: 1,356,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,459.72 : 2,210,350.15 = 905,175.55 : x
  2. Step 2: Convert to fraction form
    1,475,459.72/2,210,350.15 = 905,175.55/x
  3. Step 3: Cross multiply
    1,475,459.72x = 2,210,350.15 × 905,175.55
  4. Step 4: Simplify right side
    1,475,459.72x = 2,000,754,918,241.31
  5. Step 5: Solve for x
    x = 2,000,754,918,241.31/1,475,459.72
  6. Step 6: Final answer
    x = 1,356,021.37

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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.