Home / 1,184,003.40-1,776,005.10-678,563.40

Finding the Fourth Proportional to 1,184,003.40, 1,776,005.10 and 678,563.40

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Solution

The fourth proportional to 1,184,003.40, 1,776,005.10 and 678,563.40 is: 1,017,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,003.40 : 1,776,005.10 = 678,563.40 : x
  2. Step 2: Convert to fraction form
    1,184,003.40/1,776,005.10 = 678,563.40/x
  3. Step 3: Cross multiply
    1,184,003.40x = 1,776,005.10 × 678,563.40
  4. Step 4: Simplify right side
    1,184,003.40x = 1,205,132,059,073.34
  5. Step 5: Solve for x
    x = 1,205,132,059,073.34/1,184,003.40
  6. Step 6: Final answer
    x = 1,017,845.10

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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.