Home / 1,212,871.25-1,818,529.09-503,389.01

Finding the Fourth Proportional to 1,212,871.25, 1,818,529.09 and 503,389.01

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Solution

The fourth proportional to 1,212,871.25, 1,818,529.09 and 503,389.01 is: 754,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,871.25 : 1,818,529.09 = 503,389.01 : x
  2. Step 2: Convert to fraction form
    1,212,871.25/1,818,529.09 = 503,389.01/x
  3. Step 3: Cross multiply
    1,212,871.25x = 1,818,529.09 × 503,389.01
  4. Step 4: Simplify right side
    1,212,871.25x = 915,427,558,271.30
  5. Step 5: Solve for x
    x = 915,427,558,271.30/1,212,871.25
  6. Step 6: Final answer
    x = 754,760.70

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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.