Home / 1,107,432.60-1,662,992.10-609,154.20

Finding the Fourth Proportional to 1,107,432.60, 1,662,992.10 and 609,154.20

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Solution

The fourth proportional to 1,107,432.60, 1,662,992.10 and 609,154.20 is: 914,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,432.60 : 1,662,992.10 = 609,154.20 : x
  2. Step 2: Convert to fraction form
    1,107,432.60/1,662,992.10 = 609,154.20/x
  3. Step 3: Cross multiply
    1,107,432.60x = 1,662,992.10 × 609,154.20
  4. Step 4: Simplify right side
    1,107,432.60x = 1,013,018,622,281.82
  5. Step 5: Solve for x
    x = 1,013,018,622,281.82/1,107,432.60
  6. Step 6: Final answer
    x = 914,745.17

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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.