Home / 1,539,309.92-2,124,342-860,300.64

Finding the Fourth Proportional to 1,539,309.92, 2,124,342 and 860,300.64

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Solution

The fourth proportional to 1,539,309.92, 2,124,342 and 860,300.64 is: 1,187,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,309.92 : 2,124,342 = 860,300.64 : x
  2. Step 2: Convert to fraction form
    1,539,309.92/2,124,342 = 860,300.64/x
  3. Step 3: Cross multiply
    1,539,309.92x = 2,124,342 × 860,300.64
  4. Step 4: Simplify right side
    1,539,309.92x = 1,827,572,782,178.88
  5. Step 5: Solve for x
    x = 1,827,572,782,178.88/1,539,309.92
  6. Step 6: Final answer
    x = 1,187,267.59

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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.