Home / 1,313,289.45-1,812,367.17-740,329.65

Finding the Fourth Proportional to 1,313,289.45, 1,812,367.17 and 740,329.65

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Solution

The fourth proportional to 1,313,289.45, 1,812,367.17 and 740,329.65 is: 1,021,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,289.45 : 1,812,367.17 = 740,329.65 : x
  2. Step 2: Convert to fraction form
    1,313,289.45/1,812,367.17 = 740,329.65/x
  3. Step 3: Cross multiply
    1,313,289.45x = 1,812,367.17 × 740,329.65
  4. Step 4: Simplify right side
    1,313,289.45x = 1,341,749,152,637.59
  5. Step 5: Solve for x
    x = 1,341,749,152,637.59/1,313,289.45
  6. Step 6: Final answer
    x = 1,021,670.55

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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.