Home / 1,678,581.34-2,518,616.28-879,672.94

Finding the Fourth Proportional to 1,678,581.34, 2,518,616.28 and 879,672.94

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Solution

The fourth proportional to 1,678,581.34, 2,518,616.28 and 879,672.94 is: 1,319,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,581.34 : 2,518,616.28 = 879,672.94 : x
  2. Step 2: Convert to fraction form
    1,678,581.34/2,518,616.28 = 879,672.94/x
  3. Step 3: Cross multiply
    1,678,581.34x = 2,518,616.28 × 879,672.94
  4. Step 4: Simplify right side
    1,678,581.34x = 2,215,558,587,759.46
  5. Step 5: Solve for x
    x = 2,215,558,587,759.46/1,678,581.34
  6. Step 6: Final answer
    x = 1,319,899.45

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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.