Home / 1,806,109.35-2,709,158.63-458,269.35

Finding the Fourth Proportional to 1,806,109.35, 2,709,158.63 and 458,269.35

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Solution

The fourth proportional to 1,806,109.35, 2,709,158.63 and 458,269.35 is: 687,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,109.35 : 2,709,158.63 = 458,269.35 : x
  2. Step 2: Convert to fraction form
    1,806,109.35/2,709,158.63 = 458,269.35/x
  3. Step 3: Cross multiply
    1,806,109.35x = 2,709,158.63 × 458,269.35
  4. Step 4: Simplify right side
    1,806,109.35x = 1,241,524,362,125.64
  5. Step 5: Solve for x
    x = 1,241,524,362,125.64/1,806,109.35
  6. Step 6: Final answer
    x = 687,402.65

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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.