Home / 1,459,411.05-2,189,116.45-739,640.64

Finding the Fourth Proportional to 1,459,411.05, 2,189,116.45 and 739,640.64

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Solution

The fourth proportional to 1,459,411.05, 2,189,116.45 and 739,640.64 is: 1,109,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,411.05 : 2,189,116.45 = 739,640.64 : x
  2. Step 2: Convert to fraction form
    1,459,411.05/2,189,116.45 = 739,640.64/x
  3. Step 3: Cross multiply
    1,459,411.05x = 2,189,116.45 × 739,640.64
  4. Step 4: Simplify right side
    1,459,411.05x = 1,619,159,490,928.85
  5. Step 5: Solve for x
    x = 1,619,159,490,928.85/1,459,411.05
  6. Step 6: Final answer
    x = 1,109,460.90

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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.