Home / 1,129,840.38-1,559,174.40-613,590.66

Finding the Fourth Proportional to 1,129,840.38, 1,559,174.40 and 613,590.66

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Solution

The fourth proportional to 1,129,840.38, 1,559,174.40 and 613,590.66 is: 846,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,840.38 : 1,559,174.40 = 613,590.66 : x
  2. Step 2: Convert to fraction form
    1,129,840.38/1,559,174.40 = 613,590.66/x
  3. Step 3: Cross multiply
    1,129,840.38x = 1,559,174.40 × 613,590.66
  4. Step 4: Simplify right side
    1,129,840.38x = 956,694,849,151.10
  5. Step 5: Solve for x
    x = 956,694,849,151.10/1,129,840.38
  6. Step 6: Final answer
    x = 846,752.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.