Home / 1,433,459.62-2,151,518.03-723,985.89

Finding the Fourth Proportional to 1,433,459.62, 2,151,518.03 and 723,985.89

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Solution

The fourth proportional to 1,433,459.62, 2,151,518.03 and 723,985.89 is: 1,086,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,459.62 : 2,151,518.03 = 723,985.89 : x
  2. Step 2: Convert to fraction form
    1,433,459.62/2,151,518.03 = 723,985.89/x
  3. Step 3: Cross multiply
    1,433,459.62x = 2,151,518.03 × 723,985.89
  4. Step 4: Simplify right side
    1,433,459.62x = 1,557,668,695,800.60
  5. Step 5: Solve for x
    x = 1,557,668,695,800.60/1,433,459.62
  6. Step 6: Final answer
    x = 1,086,649.86

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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.