Home / 860,012.18-1,290,026.06-260,973.36

Finding the Fourth Proportional to 860,012.18, 1,290,026.06 and 260,973.36

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Solution

The fourth proportional to 860,012.18, 1,290,026.06 and 260,973.36 is: 391,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,012.18 : 1,290,026.06 = 260,973.36 : x
  2. Step 2: Convert to fraction form
    860,012.18/1,290,026.06 = 260,973.36/x
  3. Step 3: Cross multiply
    860,012.18x = 1,290,026.06 × 260,973.36
  4. Step 4: Simplify right side
    860,012.18x = 336,662,436,507.52
  5. Step 5: Solve for x
    x = 336,662,436,507.52/860,012.18
  6. Step 6: Final answer
    x = 391,462.41

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1.5x scale

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.