Home / 1,119,230.61-1,544,739.71-660,318.72

Finding the Fourth Proportional to 1,119,230.61, 1,544,739.71 and 660,318.72

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Solution

The fourth proportional to 1,119,230.61, 1,544,739.71 and 660,318.72 is: 911,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,230.61 : 1,544,739.71 = 660,318.72 : x
  2. Step 2: Convert to fraction form
    1,119,230.61/1,544,739.71 = 660,318.72/x
  3. Step 3: Cross multiply
    1,119,230.61x = 1,544,739.71 × 660,318.72
  4. Step 4: Simplify right side
    1,119,230.61x = 1,020,020,544,738.78
  5. Step 5: Solve for x
    x = 1,020,020,544,738.78/1,119,230.61
  6. Step 6: Final answer
    x = 911,358.69

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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.