Home / 1,342,136.16-1,852,191.48-769,284.30

Finding the Fourth Proportional to 1,342,136.16, 1,852,191.48 and 769,284.30

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Solution

The fourth proportional to 1,342,136.16, 1,852,191.48 and 769,284.30 is: 1,061,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,136.16 : 1,852,191.48 = 769,284.30 : x
  2. Step 2: Convert to fraction form
    1,342,136.16/1,852,191.48 = 769,284.30/x
  3. Step 3: Cross multiply
    1,342,136.16x = 1,852,191.48 × 769,284.30
  4. Step 4: Simplify right side
    1,342,136.16x = 1,424,861,826,157.76
  5. Step 5: Solve for x
    x = 1,424,861,826,157.76/1,342,136.16
  6. Step 6: Final answer
    x = 1,061,637.31

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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.