Home / 1,680,671.40-2,520,679.05-558,740.40

Finding the Fourth Proportional to 1,680,671.40, 2,520,679.05 and 558,740.40

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Solution

The fourth proportional to 1,680,671.40, 2,520,679.05 and 558,740.40 is: 838,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,671.40 : 2,520,679.05 = 558,740.40 : x
  2. Step 2: Convert to fraction form
    1,680,671.40/2,520,679.05 = 558,740.40/x
  3. Step 3: Cross multiply
    1,680,671.40x = 2,520,679.05 × 558,740.40
  4. Step 4: Simplify right side
    1,680,671.40x = 1,408,405,220,668.62
  5. Step 5: Solve for x
    x = 1,408,405,220,668.62/1,680,671.40
  6. Step 6: Final answer
    x = 838,001.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.