Home / 1,368,697.16-1,888,174.28-885,418.16

Finding the Fourth Proportional to 1,368,697.16, 1,888,174.28 and 885,418.16

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Solution

The fourth proportional to 1,368,697.16, 1,888,174.28 and 885,418.16 is: 1,221,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,697.16 : 1,888,174.28 = 885,418.16 : x
  2. Step 2: Convert to fraction form
    1,368,697.16/1,888,174.28 = 885,418.16/x
  3. Step 3: Cross multiply
    1,368,697.16x = 1,888,174.28 × 885,418.16
  4. Step 4: Simplify right side
    1,368,697.16x = 1,671,823,782,888.96
  5. Step 5: Solve for x
    x = 1,671,823,782,888.96/1,368,697.16
  6. Step 6: Final answer
    x = 1,221,470.93

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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.