Home / 1,678,537.13-2,518,549.96-879,628.76

Finding the Fourth Proportional to 1,678,537.13, 2,518,549.96 and 879,628.76

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Solution

The fourth proportional to 1,678,537.13, 2,518,549.96 and 879,628.76 is: 1,319,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,537.13 : 2,518,549.96 = 879,628.76 : x
  2. Step 2: Convert to fraction form
    1,678,537.13/2,518,549.96 = 879,628.76/x
  3. Step 3: Cross multiply
    1,678,537.13x = 2,518,549.96 × 879,628.76
  4. Step 4: Simplify right side
    1,678,537.13x = 2,215,388,988,781.74
  5. Step 5: Solve for x
    x = 2,215,388,988,781.74/1,678,537.13
  6. Step 6: Final answer
    x = 1,319,833.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.