Home / 1,421,288.94-1,960,748.73-847,995.78

Finding the Fourth Proportional to 1,421,288.94, 1,960,748.73 and 847,995.78

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Solution

The fourth proportional to 1,421,288.94, 1,960,748.73 and 847,995.78 is: 1,169,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,288.94 : 1,960,748.73 = 847,995.78 : x
  2. Step 2: Convert to fraction form
    1,421,288.94/1,960,748.73 = 847,995.78/x
  3. Step 3: Cross multiply
    1,421,288.94x = 1,960,748.73 × 847,995.78
  4. Step 4: Simplify right side
    1,421,288.94x = 1,662,706,648,680.36
  5. Step 5: Solve for x
    x = 1,662,706,648,680.36/1,421,288.94
  6. Step 6: Final answer
    x = 1,169,858.29

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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.