Home / 1,026,127.98-1,539,441.10-316,156

Finding the Fourth Proportional to 1,026,127.98, 1,539,441.10 and 316,156

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Solution

The fourth proportional to 1,026,127.98, 1,539,441.10 and 316,156 is: 474,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,127.98 : 1,539,441.10 = 316,156 : x
  2. Step 2: Convert to fraction form
    1,026,127.98/1,539,441.10 = 316,156/x
  3. Step 3: Cross multiply
    1,026,127.98x = 1,539,441.10 × 316,156
  4. Step 4: Simplify right side
    1,026,127.98x = 486,703,540,411.60
  5. Step 5: Solve for x
    x = 486,703,540,411.60/1,026,127.98
  6. Step 6: Final answer
    x = 474,310.76

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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.