Home / 1,680,787-2,521,202.46-558,856

Finding the Fourth Proportional to 1,680,787, 2,521,202.46 and 558,856

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Solution

The fourth proportional to 1,680,787, 2,521,202.46 and 558,856 is: 838,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,787 : 2,521,202.46 = 558,856 : x
  2. Step 2: Convert to fraction form
    1,680,787/2,521,202.46 = 558,856/x
  3. Step 3: Cross multiply
    1,680,787x = 2,521,202.46 × 558,856
  4. Step 4: Simplify right side
    1,680,787x = 1,408,989,121,985.76
  5. Step 5: Solve for x
    x = 1,408,989,121,985.76/1,680,787
  6. Step 6: Final answer
    x = 838,291.30

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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.