Home / 1,330,390.08-1,835,935.20-726,782.40

Finding the Fourth Proportional to 1,330,390.08, 1,835,935.20 and 726,782.40

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Solution

The fourth proportional to 1,330,390.08, 1,835,935.20 and 726,782.40 is: 1,002,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,390.08 : 1,835,935.20 = 726,782.40 : x
  2. Step 2: Convert to fraction form
    1,330,390.08/1,835,935.20 = 726,782.40/x
  3. Step 3: Cross multiply
    1,330,390.08x = 1,835,935.20 × 726,782.40
  4. Step 4: Simplify right side
    1,330,390.08x = 1,334,325,390,900.48
  5. Step 5: Solve for x
    x = 1,334,325,390,900.48/1,330,390.08
  6. Step 6: Final answer
    x = 1,002,958.01

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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.