Home / 1,011,851.04-1,515,056.64-770,816.64

Finding the Fourth Proportional to 1,011,851.04, 1,515,056.64 and 770,816.64

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Solution

The fourth proportional to 1,011,851.04, 1,515,056.64 and 770,816.64 is: 1,154,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,851.04 : 1,515,056.64 = 770,816.64 : x
  2. Step 2: Convert to fraction form
    1,011,851.04/1,515,056.64 = 770,816.64/x
  3. Step 3: Cross multiply
    1,011,851.04x = 1,515,056.64 × 770,816.64
  4. Step 4: Simplify right side
    1,011,851.04x = 1,167,830,868,654.49
  5. Step 5: Solve for x
    x = 1,167,830,868,654.49/1,011,851.04
  6. Step 6: Final answer
    x = 1,154,152.96

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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.