Home / 1,631,564.80-2,447,125.76-478,780.69

Finding the Fourth Proportional to 1,631,564.80, 2,447,125.76 and 478,780.69

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Solution

The fourth proportional to 1,631,564.80, 2,447,125.76 and 478,780.69 is: 718,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,564.80 : 2,447,125.76 = 478,780.69 : x
  2. Step 2: Convert to fraction form
    1,631,564.80/2,447,125.76 = 478,780.69/x
  3. Step 3: Cross multiply
    1,631,564.80x = 2,447,125.76 × 478,780.69
  4. Step 4: Simplify right side
    1,631,564.80x = 1,171,636,559,889.57
  5. Step 5: Solve for x
    x = 1,171,636,559,889.57/1,631,564.80
  6. Step 6: Final answer
    x = 718,106.05

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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.