Home / 1,008,783.85-1,392,102.70-549,902.65

Finding the Fourth Proportional to 1,008,783.85, 1,392,102.70 and 549,902.65

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Solution

The fourth proportional to 1,008,783.85, 1,392,102.70 and 549,902.65 is: 758,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,783.85 : 1,392,102.70 = 549,902.65 : x
  2. Step 2: Convert to fraction form
    1,008,783.85/1,392,102.70 = 549,902.65/x
  3. Step 3: Cross multiply
    1,008,783.85x = 1,392,102.70 × 549,902.65
  4. Step 4: Simplify right side
    1,008,783.85x = 765,520,963,802.16
  5. Step 5: Solve for x
    x = 765,520,963,802.16/1,008,783.85
  6. Step 6: Final answer
    x = 758,855.29

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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.