Home / 1,143,571.16-1,713,191.58-763,345.40

Finding the Fourth Proportional to 1,143,571.16, 1,713,191.58 and 763,345.40

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Solution

The fourth proportional to 1,143,571.16, 1,713,191.58 and 763,345.40 is: 1,143,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,571.16 : 1,713,191.58 = 763,345.40 : x
  2. Step 2: Convert to fraction form
    1,143,571.16/1,713,191.58 = 763,345.40/x
  3. Step 3: Cross multiply
    1,143,571.16x = 1,713,191.58 × 763,345.40
  4. Step 4: Simplify right side
    1,143,571.16x = 1,307,756,911,911.73
  5. Step 5: Solve for x
    x = 1,307,756,911,911.73/1,143,571.16
  6. Step 6: Final answer
    x = 1,143,572.83

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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.