Home / 1,653,670.10-2,478,755.55-642,401.30

Finding the Fourth Proportional to 1,653,670.10, 2,478,755.55 and 642,401.30

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Solution

The fourth proportional to 1,653,670.10, 2,478,755.55 and 642,401.30 is: 962,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,670.10 : 2,478,755.55 = 642,401.30 : x
  2. Step 2: Convert to fraction form
    1,653,670.10/2,478,755.55 = 642,401.30/x
  3. Step 3: Cross multiply
    1,653,670.10x = 2,478,755.55 × 642,401.30
  4. Step 4: Simplify right side
    1,653,670.10x = 1,592,355,787,702.22
  5. Step 5: Solve for x
    x = 1,592,355,787,702.22/1,653,670.10
  6. Step 6: Final answer
    x = 962,922.28

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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.