Home / 1,006,670.20-1,389,203.94-553,961.20

Finding the Fourth Proportional to 1,006,670.20, 1,389,203.94 and 553,961.20

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Solution

The fourth proportional to 1,006,670.20, 1,389,203.94 and 553,961.20 is: 764,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,670.20 : 1,389,203.94 = 553,961.20 : x
  2. Step 2: Convert to fraction form
    1,006,670.20/1,389,203.94 = 553,961.20/x
  3. Step 3: Cross multiply
    1,006,670.20x = 1,389,203.94 × 553,961.20
  4. Step 4: Simplify right side
    1,006,670.20x = 769,565,081,647.13
  5. Step 5: Solve for x
    x = 769,565,081,647.13/1,006,670.20
  6. Step 6: Final answer
    x = 764,465.94

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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.