Home / 1,534,121.45-2,116,618.34-889,412.93

Finding the Fourth Proportional to 1,534,121.45, 2,116,618.34 and 889,412.93

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Solution

The fourth proportional to 1,534,121.45, 2,116,618.34 and 889,412.93 is: 1,227,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,121.45 : 2,116,618.34 = 889,412.93 : x
  2. Step 2: Convert to fraction form
    1,534,121.45/2,116,618.34 = 889,412.93/x
  3. Step 3: Cross multiply
    1,534,121.45x = 2,116,618.34 × 889,412.93
  4. Step 4: Simplify right side
    1,534,121.45x = 1,882,547,704,440.98
  5. Step 5: Solve for x
    x = 1,882,547,704,440.98/1,534,121.45
  6. Step 6: Final answer
    x = 1,227,117.78

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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.