Home / 1,395,875.07-1,925,817.03-912,723.03

Finding the Fourth Proportional to 1,395,875.07, 1,925,817.03 and 912,723.03

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Solution

The fourth proportional to 1,395,875.07, 1,925,817.03 and 912,723.03 is: 1,259,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,875.07 : 1,925,817.03 = 912,723.03 : x
  2. Step 2: Convert to fraction form
    1,395,875.07/1,925,817.03 = 912,723.03/x
  3. Step 3: Cross multiply
    1,395,875.07x = 1,925,817.03 × 912,723.03
  4. Step 4: Simplify right side
    1,395,875.07x = 1,757,737,554,847.20
  5. Step 5: Solve for x
    x = 1,757,737,554,847.20/1,395,875.07
  6. Step 6: Final answer
    x = 1,259,237.01

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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.