Home / 1,377,230.80-2,066,137.80-417,607.60

Finding the Fourth Proportional to 1,377,230.80, 2,066,137.80 and 417,607.60

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Solution

The fourth proportional to 1,377,230.80, 2,066,137.80 and 417,607.60 is: 626,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,230.80 : 2,066,137.80 = 417,607.60 : x
  2. Step 2: Convert to fraction form
    1,377,230.80/2,066,137.80 = 417,607.60/x
  3. Step 3: Cross multiply
    1,377,230.80x = 2,066,137.80 × 417,607.60
  4. Step 4: Simplify right side
    1,377,230.80x = 862,834,847,927.28
  5. Step 5: Solve for x
    x = 862,834,847,927.28/1,377,230.80
  6. Step 6: Final answer
    x = 626,499.82

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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.