Home / 1,176,390.40-1,764,585.60-756,486.40

Finding the Fourth Proportional to 1,176,390.40, 1,764,585.60 and 756,486.40

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Solution

The fourth proportional to 1,176,390.40, 1,764,585.60 and 756,486.40 is: 1,134,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,390.40 : 1,764,585.60 = 756,486.40 : x
  2. Step 2: Convert to fraction form
    1,176,390.40/1,764,585.60 = 756,486.40/x
  3. Step 3: Cross multiply
    1,176,390.40x = 1,764,585.60 × 756,486.40
  4. Step 4: Simplify right side
    1,176,390.40x = 1,334,885,008,035.84
  5. Step 5: Solve for x
    x = 1,334,885,008,035.84/1,176,390.40
  6. Step 6: Final answer
    x = 1,134,729.60

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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.