Home / 1,184,005.20-1,776,007.80-711,224.40

Finding the Fourth Proportional to 1,184,005.20, 1,776,007.80 and 711,224.40

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Solution

The fourth proportional to 1,184,005.20, 1,776,007.80 and 711,224.40 is: 1,066,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,005.20 : 1,776,007.80 = 711,224.40 : x
  2. Step 2: Convert to fraction form
    1,184,005.20/1,776,007.80 = 711,224.40/x
  3. Step 3: Cross multiply
    1,184,005.20x = 1,776,007.80 × 711,224.40
  4. Step 4: Simplify right side
    1,184,005.20x = 1,263,140,081,950.32
  5. Step 5: Solve for x
    x = 1,263,140,081,950.32/1,184,005.20
  6. Step 6: Final answer
    x = 1,066,836.60

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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.