Home / 1,017,442.54-1,524,129.09-612,412.30

Finding the Fourth Proportional to 1,017,442.54, 1,524,129.09 and 612,412.30

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Solution

The fourth proportional to 1,017,442.54, 1,524,129.09 and 612,412.30 is: 917,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,442.54 : 1,524,129.09 = 612,412.30 : x
  2. Step 2: Convert to fraction form
    1,017,442.54/1,524,129.09 = 612,412.30/x
  3. Step 3: Cross multiply
    1,017,442.54x = 1,524,129.09 × 612,412.30
  4. Step 4: Simplify right side
    1,017,442.54x = 933,395,401,503.81
  5. Step 5: Solve for x
    x = 933,395,401,503.81/1,017,442.54
  6. Step 6: Final answer
    x = 917,393.72

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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.