Home / 1,424,850.64-1,966,279.88-771,473.48

Finding the Fourth Proportional to 1,424,850.64, 1,966,279.88 and 771,473.48

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Solution

The fourth proportional to 1,424,850.64, 1,966,279.88 and 771,473.48 is: 1,064,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,850.64 : 1,966,279.88 = 771,473.48 : x
  2. Step 2: Convert to fraction form
    1,424,850.64/1,966,279.88 = 771,473.48/x
  3. Step 3: Cross multiply
    1,424,850.64x = 1,966,279.88 × 771,473.48
  4. Step 4: Simplify right side
    1,424,850.64x = 1,516,932,781,677.58
  5. Step 5: Solve for x
    x = 1,516,932,781,677.58/1,424,850.64
  6. Step 6: Final answer
    x = 1,064,625.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.