Home / 1,032,725.64-1,424,719.30-644,867.71

Finding the Fourth Proportional to 1,032,725.64, 1,424,719.30 and 644,867.71

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Solution

The fourth proportional to 1,032,725.64, 1,424,719.30 and 644,867.71 is: 889,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,725.64 : 1,424,719.30 = 644,867.71 : x
  2. Step 2: Convert to fraction form
    1,032,725.64/1,424,719.30 = 644,867.71/x
  3. Step 3: Cross multiply
    1,032,725.64x = 1,424,719.30 × 644,867.71
  4. Step 4: Simplify right side
    1,032,725.64x = 918,755,472,383.80
  5. Step 5: Solve for x
    x = 918,755,472,383.80/1,032,725.64
  6. Step 6: Final answer
    x = 889,641.39

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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.