Home / 1,689,308.63-2,329,377.91-1,076,490.73

Finding the Fourth Proportional to 1,689,308.63, 2,329,377.91 and 1,076,490.73

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Solution

The fourth proportional to 1,689,308.63, 2,329,377.91 and 1,076,490.73 is: 1,484,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,308.63 : 2,329,377.91 = 1,076,490.73 : x
  2. Step 2: Convert to fraction form
    1,689,308.63/2,329,377.91 = 1,076,490.73/x
  3. Step 3: Cross multiply
    1,689,308.63x = 2,329,377.91 × 1,076,490.73
  4. Step 4: Simplify right side
    1,689,308.63x = 2,507,553,726,781.77
  5. Step 5: Solve for x
    x = 2,507,553,726,781.77/1,689,308.63
  6. Step 6: Final answer
    x = 1,484,366.85

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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.