Home / 2,657,907.40-3,987,444.30-860,873.80

Finding the Fourth Proportional to 2,657,907.40, 3,987,444.30 and 860,873.80

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Solution

The fourth proportional to 2,657,907.40, 3,987,444.30 and 860,873.80 is: 1,291,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,907.40 : 3,987,444.30 = 860,873.80 : x
  2. Step 2: Convert to fraction form
    2,657,907.40/3,987,444.30 = 860,873.80/x
  3. Step 3: Cross multiply
    2,657,907.40x = 3,987,444.30 × 860,873.80
  4. Step 4: Simplify right side
    2,657,907.40x = 3,432,686,326,829.34
  5. Step 5: Solve for x
    x = 3,432,686,326,829.34/2,657,907.40
  6. Step 6: Final answer
    x = 1,291,499.59

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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.