Home / 1,087,127.70-1,629,136.35-754,314.90

Finding the Fourth Proportional to 1,087,127.70, 1,629,136.35 and 754,314.90

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Solution

The fourth proportional to 1,087,127.70, 1,629,136.35 and 754,314.90 is: 1,130,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,127.70 : 1,629,136.35 = 754,314.90 : x
  2. Step 2: Convert to fraction form
    1,087,127.70/1,629,136.35 = 754,314.90/x
  3. Step 3: Cross multiply
    1,087,127.70x = 1,629,136.35 × 754,314.90
  4. Step 4: Simplify right side
    1,087,127.70x = 1,228,881,822,936.62
  5. Step 5: Solve for x
    x = 1,228,881,822,936.62/1,087,127.70
  6. Step 6: Final answer
    x = 1,130,393.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.