Home / 1,413,405.76-2,120,809.18-560,459.12

Finding the Fourth Proportional to 1,413,405.76, 2,120,809.18 and 560,459.12

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Solution

The fourth proportional to 1,413,405.76, 2,120,809.18 and 560,459.12 is: 840,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,405.76 : 2,120,809.18 = 560,459.12 : x
  2. Step 2: Convert to fraction form
    1,413,405.76/2,120,809.18 = 560,459.12/x
  3. Step 3: Cross multiply
    1,413,405.76x = 2,120,809.18 × 560,459.12
  4. Step 4: Simplify right side
    1,413,405.76x = 1,188,626,846,710.72
  5. Step 5: Solve for x
    x = 1,188,626,846,710.72/1,413,405.76
  6. Step 6: Final answer
    x = 840,966.47

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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.