Home / 1,167,132.50-1,610,642.85-630,588.50

Finding the Fourth Proportional to 1,167,132.50, 1,610,642.85 and 630,588.50

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Solution

The fourth proportional to 1,167,132.50, 1,610,642.85 and 630,588.50 is: 870,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,132.50 : 1,610,642.85 = 630,588.50 : x
  2. Step 2: Convert to fraction form
    1,167,132.50/1,610,642.85 = 630,588.50/x
  3. Step 3: Cross multiply
    1,167,132.50x = 1,610,642.85 × 630,588.50
  4. Step 4: Simplify right side
    1,167,132.50x = 1,015,652,858,817.23
  5. Step 5: Solve for x
    x = 1,015,652,858,817.23/1,167,132.50
  6. Step 6: Final answer
    x = 870,212.13

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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.