Home / 1,780,834.40-2,460,810.48-1,296,559.04

Finding the Fourth Proportional to 1,780,834.40, 2,460,810.48 and 1,296,559.04

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Solution

The fourth proportional to 1,780,834.40, 2,460,810.48 and 1,296,559.04 is: 1,791,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,834.40 : 2,460,810.48 = 1,296,559.04 : x
  2. Step 2: Convert to fraction form
    1,780,834.40/2,460,810.48 = 1,296,559.04/x
  3. Step 3: Cross multiply
    1,780,834.40x = 2,460,810.48 × 1,296,559.04
  4. Step 4: Simplify right side
    1,780,834.40x = 3,190,586,073,570.74
  5. Step 5: Solve for x
    x = 3,190,586,073,570.74/1,780,834.40
  6. Step 6: Final answer
    x = 1,791,624.24

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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.