Home / 1,330,476.42-1,996,501.95-489,618.66

Finding the Fourth Proportional to 1,330,476.42, 1,996,501.95 and 489,618.66

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Solution

The fourth proportional to 1,330,476.42, 1,996,501.95 and 489,618.66 is: 734,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,476.42 : 1,996,501.95 = 489,618.66 : x
  2. Step 2: Convert to fraction form
    1,330,476.42/1,996,501.95 = 489,618.66/x
  3. Step 3: Cross multiply
    1,330,476.42x = 1,996,501.95 × 489,618.66
  4. Step 4: Simplify right side
    1,330,476.42x = 977,524,609,446.39
  5. Step 5: Solve for x
    x = 977,524,609,446.39/1,330,476.42
  6. Step 6: Final answer
    x = 734,717.73

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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.