Home / 1,256,470.79-1,734,976.87-1,165,295.57

Finding the Fourth Proportional to 1,256,470.79, 1,734,976.87 and 1,165,295.57

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Solution

The fourth proportional to 1,256,470.79, 1,734,976.87 and 1,165,295.57 is: 1,609,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,470.79 : 1,734,976.87 = 1,165,295.57 : x
  2. Step 2: Convert to fraction form
    1,256,470.79/1,734,976.87 = 1,165,295.57/x
  3. Step 3: Cross multiply
    1,256,470.79x = 1,734,976.87 × 1,165,295.57
  4. Step 4: Simplify right side
    1,256,470.79x = 2,021,760,849,075.34
  5. Step 5: Solve for x
    x = 2,021,760,849,075.34/1,256,470.79
  6. Step 6: Final answer
    x = 1,609,079.08

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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.