Home / 1,428,591.48-1,971,325.84-847,714.35

Finding the Fourth Proportional to 1,428,591.48, 1,971,325.84 and 847,714.35

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Solution

The fourth proportional to 1,428,591.48, 1,971,325.84 and 847,714.35 is: 1,169,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,591.48 : 1,971,325.84 = 847,714.35 : x
  2. Step 2: Convert to fraction form
    1,428,591.48/1,971,325.84 = 847,714.35/x
  3. Step 3: Cross multiply
    1,428,591.48x = 1,971,325.84 × 847,714.35
  4. Step 4: Simplify right side
    1,428,591.48x = 1,671,121,203,093.80
  5. Step 5: Solve for x
    x = 1,671,121,203,093.80/1,428,591.48
  6. Step 6: Final answer
    x = 1,169,768.42

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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.