Home / 1,159,130.38-1,737,468.43-389,895.80

Finding the Fourth Proportional to 1,159,130.38, 1,737,468.43 and 389,895.80

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Solution

The fourth proportional to 1,159,130.38, 1,737,468.43 and 389,895.80 is: 584,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,130.38 : 1,737,468.43 = 389,895.80 : x
  2. Step 2: Convert to fraction form
    1,159,130.38/1,737,468.43 = 389,895.80/x
  3. Step 3: Cross multiply
    1,159,130.38x = 1,737,468.43 × 389,895.80
  4. Step 4: Simplify right side
    1,159,130.38x = 677,431,646,858.53
  5. Step 5: Solve for x
    x = 677,431,646,858.53/1,159,130.38
  6. Step 6: Final answer
    x = 584,430.93

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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.