Home / 1,452,564.80-2,176,082.40-860,897.60

Finding the Fourth Proportional to 1,452,564.80, 2,176,082.40 and 860,897.60

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Solution

The fourth proportional to 1,452,564.80, 2,176,082.40 and 860,897.60 is: 1,289,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,564.80 : 2,176,082.40 = 860,897.60 : x
  2. Step 2: Convert to fraction form
    1,452,564.80/2,176,082.40 = 860,897.60/x
  3. Step 3: Cross multiply
    1,452,564.80x = 2,176,082.40 × 860,897.60
  4. Step 4: Simplify right side
    1,452,564.80x = 1,873,384,115,562.24
  5. Step 5: Solve for x
    x = 1,873,384,115,562.24/1,452,564.80
  6. Step 6: Final answer
    x = 1,289,707.77

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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.