Home / 1,425,155.98-2,137,930.80-478,797.34

Finding the Fourth Proportional to 1,425,155.98, 2,137,930.80 and 478,797.34

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Solution

The fourth proportional to 1,425,155.98, 2,137,930.80 and 478,797.34 is: 718,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,155.98 : 2,137,930.80 = 478,797.34 : x
  2. Step 2: Convert to fraction form
    1,425,155.98/2,137,930.80 = 478,797.34/x
  3. Step 3: Cross multiply
    1,425,155.98x = 2,137,930.80 × 478,797.34
  4. Step 4: Simplify right side
    1,425,155.98x = 1,023,635,580,144.07
  5. Step 5: Solve for x
    x = 1,023,635,580,144.07/1,425,155.98
  6. Step 6: Final answer
    x = 718,262.14

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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.