Home / 1,109,999.10-1,664,998.65-578,558.10

Finding the Fourth Proportional to 1,109,999.10, 1,664,998.65 and 578,558.10

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Solution

The fourth proportional to 1,109,999.10, 1,664,998.65 and 578,558.10 is: 867,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,999.10 : 1,664,998.65 = 578,558.10 : x
  2. Step 2: Convert to fraction form
    1,109,999.10/1,664,998.65 = 578,558.10/x
  3. Step 3: Cross multiply
    1,109,999.10x = 1,664,998.65 × 578,558.10
  4. Step 4: Simplify right side
    1,109,999.10x = 963,298,455,446.57
  5. Step 5: Solve for x
    x = 963,298,455,446.57/1,109,999.10
  6. Step 6: Final answer
    x = 867,837.15

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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.