Home / 1,163,434.86-1,605,001.23-680,020.38

Finding the Fourth Proportional to 1,163,434.86, 1,605,001.23 and 680,020.38

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Solution

The fourth proportional to 1,163,434.86, 1,605,001.23 and 680,020.38 is: 938,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,434.86 : 1,605,001.23 = 680,020.38 : x
  2. Step 2: Convert to fraction form
    1,163,434.86/1,605,001.23 = 680,020.38/x
  3. Step 3: Cross multiply
    1,163,434.86x = 1,605,001.23 × 680,020.38
  4. Step 4: Simplify right side
    1,163,434.86x = 1,091,433,546,325.07
  5. Step 5: Solve for x
    x = 1,091,433,546,325.07/1,163,434.86
  6. Step 6: Final answer
    x = 938,113.15

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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.