Home / 1,348,641.72-2,023,957.98-638,668.44

Finding the Fourth Proportional to 1,348,641.72, 2,023,957.98 and 638,668.44

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Solution

The fourth proportional to 1,348,641.72, 2,023,957.98 and 638,668.44 is: 958,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,641.72 : 2,023,957.98 = 638,668.44 : x
  2. Step 2: Convert to fraction form
    1,348,641.72/2,023,957.98 = 638,668.44/x
  3. Step 3: Cross multiply
    1,348,641.72x = 2,023,957.98 × 638,668.44
  4. Step 4: Simplify right side
    1,348,641.72x = 1,292,638,085,712.15
  5. Step 5: Solve for x
    x = 1,292,638,085,712.15/1,348,641.72
  6. Step 6: Final answer
    x = 958,474.05

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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.