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Finding the Fourth Proportional to 1,358,286, 2,034,326.52 and 648,816

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Solution

The fourth proportional to 1,358,286, 2,034,326.52 and 648,816 is: 971,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,286 : 2,034,326.52 = 648,816 : x
  2. Step 2: Convert to fraction form
    1,358,286/2,034,326.52 = 648,816/x
  3. Step 3: Cross multiply
    1,358,286x = 2,034,326.52 × 648,816
  4. Step 4: Simplify right side
    1,358,286x = 1,319,903,595,400.32
  5. Step 5: Solve for x
    x = 1,319,903,595,400.32/1,358,286
  6. Step 6: Final answer
    x = 971,742.03

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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.