Home / 1,406,317.73-1,940,718.53-761,738.15

Finding the Fourth Proportional to 1,406,317.73, 1,940,718.53 and 761,738.15

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Solution

The fourth proportional to 1,406,317.73, 1,940,718.53 and 761,738.15 is: 1,051,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,317.73 : 1,940,718.53 = 761,738.15 : x
  2. Step 2: Convert to fraction form
    1,406,317.73/1,940,718.53 = 761,738.15/x
  3. Step 3: Cross multiply
    1,406,317.73x = 1,940,718.53 × 761,738.15
  4. Step 4: Simplify right side
    1,406,317.73x = 1,478,319,349,469.06
  5. Step 5: Solve for x
    x = 1,478,319,349,469.06/1,406,317.73
  6. Step 6: Final answer
    x = 1,051,198.69

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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.