Home / 2,657,602.32-3,987,038.52-860,487.72

Finding the Fourth Proportional to 2,657,602.32, 3,987,038.52 and 860,487.72

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Solution

The fourth proportional to 2,657,602.32, 3,987,038.52 and 860,487.72 is: 1,290,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,602.32 : 3,987,038.52 = 860,487.72 : x
  2. Step 2: Convert to fraction form
    2,657,602.32/3,987,038.52 = 860,487.72/x
  3. Step 3: Cross multiply
    2,657,602.32x = 3,987,038.52 × 860,487.72
  4. Step 4: Simplify right side
    2,657,602.32x = 3,430,797,685,626.97
  5. Step 5: Solve for x
    x = 3,430,797,685,626.97/2,657,602.32
  6. Step 6: Final answer
    x = 1,290,937.20

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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.