Home / 1,078,257.78-1,487,931.93-594,823.86

Finding the Fourth Proportional to 1,078,257.78, 1,487,931.93 and 594,823.86

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Solution

The fourth proportional to 1,078,257.78, 1,487,931.93 and 594,823.86 is: 820,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,257.78 : 1,487,931.93 = 594,823.86 : x
  2. Step 2: Convert to fraction form
    1,078,257.78/1,487,931.93 = 594,823.86/x
  3. Step 3: Cross multiply
    1,078,257.78x = 1,487,931.93 × 594,823.86
  4. Step 4: Simplify right side
    1,078,257.78x = 885,057,414,019.85
  5. Step 5: Solve for x
    x = 885,057,414,019.85/1,078,257.78
  6. Step 6: Final answer
    x = 820,821.73

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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.