Home / 1,343,670.04-1,854,506.10-770,899.60

Finding the Fourth Proportional to 1,343,670.04, 1,854,506.10 and 770,899.60

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Solution

The fourth proportional to 1,343,670.04, 1,854,506.10 and 770,899.60 is: 1,063,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,670.04 : 1,854,506.10 = 770,899.60 : x
  2. Step 2: Convert to fraction form
    1,343,670.04/1,854,506.10 = 770,899.60/x
  3. Step 3: Cross multiply
    1,343,670.04x = 1,854,506.10 × 770,899.60
  4. Step 4: Simplify right side
    1,343,670.04x = 1,429,638,010,687.56
  5. Step 5: Solve for x
    x = 1,429,638,010,687.56/1,343,670.04
  6. Step 6: Final answer
    x = 1,063,979.97

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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.