Home / 1,311,492.67-1,967,504.20-553,335.98

Finding the Fourth Proportional to 1,311,492.67, 1,967,504.20 and 553,335.98

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Solution

The fourth proportional to 1,311,492.67, 1,967,504.20 and 553,335.98 is: 830,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,492.67 : 1,967,504.20 = 553,335.98 : x
  2. Step 2: Convert to fraction form
    1,311,492.67/1,967,504.20 = 553,335.98/x
  3. Step 3: Cross multiply
    1,311,492.67x = 1,967,504.20 × 553,335.98
  4. Step 4: Simplify right side
    1,311,492.67x = 1,088,690,853,440.26
  5. Step 5: Solve for x
    x = 1,088,690,853,440.26/1,311,492.67
  6. Step 6: Final answer
    x = 830,115.85

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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.