Home / 1,011,859.04-1,515,068.62-770,824.64

Finding the Fourth Proportional to 1,011,859.04, 1,515,068.62 and 770,824.64

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Solution

The fourth proportional to 1,011,859.04, 1,515,068.62 and 770,824.64 is: 1,154,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,859.04 : 1,515,068.62 = 770,824.64 : x
  2. Step 2: Convert to fraction form
    1,011,859.04/1,515,068.62 = 770,824.64/x
  3. Step 3: Cross multiply
    1,011,859.04x = 1,515,068.62 × 770,824.64
  4. Step 4: Simplify right side
    1,011,859.04x = 1,167,852,223,586.80
  5. Step 5: Solve for x
    x = 1,167,852,223,586.80/1,011,859.04
  6. Step 6: Final answer
    x = 1,154,164.94

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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.