Home / 1,311,499.89-1,967,515.04-553,343.24

Finding the Fourth Proportional to 1,311,499.89, 1,967,515.04 and 553,343.24

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Solution

The fourth proportional to 1,311,499.89, 1,967,515.04 and 553,343.24 is: 830,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,499.89 : 1,967,515.04 = 553,343.24 : x
  2. Step 2: Convert to fraction form
    1,311,499.89/1,967,515.04 = 553,343.24/x
  3. Step 3: Cross multiply
    1,311,499.89x = 1,967,515.04 × 553,343.24
  4. Step 4: Simplify right side
    1,311,499.89x = 1,088,711,153,284.48
  5. Step 5: Solve for x
    x = 1,088,711,153,284.48/1,311,499.89
  6. Step 6: Final answer
    x = 830,126.76

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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.