Home / 1,116,230.40-1,674,345.60-668,332.80

Finding the Fourth Proportional to 1,116,230.40, 1,674,345.60 and 668,332.80

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Solution

The fourth proportional to 1,116,230.40, 1,674,345.60 and 668,332.80 is: 1,002,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,230.40 : 1,674,345.60 = 668,332.80 : x
  2. Step 2: Convert to fraction form
    1,116,230.40/1,674,345.60 = 668,332.80/x
  3. Step 3: Cross multiply
    1,116,230.40x = 1,674,345.60 × 668,332.80
  4. Step 4: Simplify right side
    1,116,230.40x = 1,119,020,083,015.68
  5. Step 5: Solve for x
    x = 1,119,020,083,015.68/1,116,230.40
  6. Step 6: Final answer
    x = 1,002,499.20

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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.